Perform I2C combined transactions when possible #318
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Perform I2C combined transactions whenever possible, within the restrictions of the Broadcomm Serial Controller.
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Can any I2C users test this patch and report? |
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Yes please. It should work for everyone. Limited testing done with an EEPROM and IR sensor. https://i2c.wiki.kernel.org/index.php/Main_Page |
Prevent interrupt from being triggered if poll is missed and transfer starts and finishes.
Fix driver hang problem. If previous transfer timed out, the next transfer could deadlock the interrupt handler due to extra bytes present in FIFO.
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This patch worked for the MMA8451Q. Can it please be included in the stock kernel? |
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@cbeytas Any objections to including this? |
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It shouldn't break anything. I've tested it with a MLX90620 and its EEPROM, AT24C01A, PCF8591, and an adafruit LED backpack. |
popcornmix
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May 16, 2014
Perform I2C combined transactions when possible
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I've cherry-picked to 3.12.y kernel. It will be in next firmware update (later tonight). |
popcornmix
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May 16, 2014
See: raspberrypi/linux#588 kernel: Perform I2C combined transactions when possible See: raspberrypi/linux#318 kernel: V4L2: Increase the MMAL timeout to 3sec See: raspberrypi/linux#592 kernel: i2c-bcm2708: fixed baudrate See: raspberrypi/linux#592 firmware: Avoid calling hdcp_shutdown() when hotplug deasserted See: http://forum.stmlabs.com/showthread.php?tid=11003&pid=101848#pid101848 firmware: hello_fft: Update readme to mention use with GL See: http://www.raspberrypi.org/forums/viewtopic.php?f=68&t=76189 firmware: Clear unused pixels in the subsample image in H264 codec See: http://www.raspberrypi.org/forums/viewtopic.php?f=43&t=76845&p=551515#p551515
popcornmix
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May 16, 2014
See: raspberrypi/linux#588 kernel: Perform I2C combined transactions when possible See: raspberrypi/linux#318 kernel: V4L2: Increase the MMAL timeout to 3sec See: raspberrypi/linux#592 kernel: i2c-bcm2708: fixed baudrate See: raspberrypi/linux#592 firmware: Avoid calling hdcp_shutdown() when hotplug deasserted See: http://forum.stmlabs.com/showthread.php?tid=11003&pid=101848#pid101848 firmware: hello_fft: Update readme to mention use with GL See: http://www.raspberrypi.org/forums/viewtopic.php?f=68&t=76189 firmware: Clear unused pixels in the subsample image in H264 codec See: http://www.raspberrypi.org/forums/viewtopic.php?f=43&t=76845&p=551515#p551515
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I'm confused. I thought this was a kernel patch only -- I got my accelerometer working after I updated to the jjackowski patched kernel module. How does this relate to the Pi firmware? |
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@dsandber rpi-update updates gpu firmware and linux kernel + modules. The updating kernel contains this patch. |
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I confirm that after running rpi-update and rebooting my I2C sensor works properly. |
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This seems to have caused this regression: |
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Yikes. Can we make this patch a module option until we figure out how to please everyone with the same code? |
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I updated to the 3.12.20+ kernel (May 23) and my IR sensor no longer works. I'll have to troubleshoot why. |
popcornmix
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May 27, 2014
See: #51 kernel: V4L2: Fix regression, and gstreamer workaround See: raspberrypi/linux#604 kernel: dwc_otg: fix interrupt registration for fiq_enable=0 See: raspberrypi/linux@33d28d4 kernel: w1-gpio,bcm2708: Disable 1-wire pull-up by default and expose parameters to modules See: raspberrypi/linux#602 kernel: i2c: Make combined transactions optional and disabled by default See: raspberrypi/linux#318 firmware: video_decode: Remove the minumum of 7 buffers requirement when extra_buffers=0 Allows memory reduction when video_decode is non-tunnelled
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Due to problems reported, this is now disabled by default. Enable with module parameter combined=1. |
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This one also cause me a problem with PiCoolFan and it's now working with |
popcornmix
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May 30, 2014
See: Hexxeh/rpi-firmware#51 kernel: V4L2: Fix regression, and gstreamer workaround See: raspberrypi/linux#604 kernel: dwc_otg: fix interrupt registration for fiq_enable=0 See: raspberrypi/linux@33d28d4 kernel: w1-gpio,bcm2708: Disable 1-wire pull-up by default and expose parameters to modules See: raspberrypi/linux#602 kernel: i2c: Make combined transactions optional and disabled by default See: raspberrypi/linux#318 firmware: video_decode: Remove the minumum of 7 buffers requirement when extra_buffers=0 Allows memory reduction when video_decode is non-tunnelled
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My Pi is thoroughly locking-up when I read from my I2C MMA8451Q accelerometer continuously for a few minutes. This used to work. It happens both with and without the "combined" flag. I'd like to confirm this is a new problem by comparing to jjackowski's original module here, which worked: http://jjackowski.wordpress.com/2014/01/08/replacement-i2c-kernel-module-for-raspbian/ However, when I downgrade the kernel using "rpi-update hash_of_older_version" and then do a modprobe on the original module I get an invalid module error. Perhaps this is related to his module being for "3.10.25" while I downgraded to "3.10.25+"? Anyone have any advice here? In other words, I want to downgrade to a firmware/kernel that is compatible with his original module but I don't know how. Thanks! |
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I've experimented quite a bit reading my I2C accelerometer and found the following: The newest (from rpi-update) firmware/kernel will LOCKUP eventually with combined=1 So it's still likely that we could make combined=1 the default once we fix the LOCKUP problem. |
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Why does the cbeytas patch look totally different than the jjackowski one? Can I merge the two together (so it's like the jjackowski one but his changes are disabled unless the "combined" flag is used)? Because right now I'm pretty sure the combined flag will cause a lock-up for anyone if used long enough. |
anholt
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Apr 21, 2015
We skip initialisation of ITS in case the device-tree has no corresponding description, but we are still accessing to ITS bits while setting CPU interface what leads to the kernel panic: ITS: No ITS available, not enabling LPIs CPU0: found redistributor 0 region 0:0x000000002f100000 Unable to handle kernel NULL pointer dereference at virtual address 00000000 pgd = ffffffc0007fb000 [00000000] *pgd=00000000fc407003, *pud=00000000fc407003, *pmd=00000000fc408003, *pte=006000002f000707 Internal error: Oops: 96000005 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.19.0-rc2+ raspberrypi#318 Hardware name: FVP Base (DT) task: ffffffc00077edb0 ti: ffffffc00076c000 task.ti: ffffffc00076c000 PC is at its_cpu_init+0x2c/0x320 LR is at gic_cpu_init+0x168/0x1bc It happens in gic_rdists_supports_plpis() because gic_rdists is NULL. The gic_rdists is set to non-NULL only when ITS node is presented in the device-tree. Fix this by moving the call to gic_rdists_supports_plpis() inside the !list_empty(&its_nodes) block, because it is that list that guards the validity of the rest of the information in this driver. Acked-by: Marc Zyngier <[email protected]> Signed-off-by: Vladimir Murzin <[email protected]> Signed-off-by: Marc Zyngier <[email protected]> Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Jason Cooper <[email protected]>
neuschaefer
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Feb 27, 2017
See: raspberrypi/linux#588 kernel: Perform I2C combined transactions when possible See: raspberrypi/linux#318 kernel: V4L2: Increase the MMAL timeout to 3sec See: raspberrypi/linux#592 kernel: i2c-bcm2708: fixed baudrate See: raspberrypi/linux#592 firmware: Avoid calling hdcp_shutdown() when hotplug deasserted See: http://forum.stmlabs.com/showthread.php?tid=11003&pid=101848#pid101848 firmware: hello_fft: Update readme to mention use with GL See: http://www.raspberrypi.org/forums/viewtopic.php?f=68&t=76189 firmware: Clear unused pixels in the subsample image in H264 codec See: http://www.raspberrypi.org/forums/viewtopic.php?f=43&t=76845&p=551515#p551515
neuschaefer
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Feb 27, 2017
See: Hexxeh/rpi-firmware#51 kernel: V4L2: Fix regression, and gstreamer workaround See: raspberrypi/linux#604 kernel: dwc_otg: fix interrupt registration for fiq_enable=0 See: raspberrypi/linux@33d28d4 kernel: w1-gpio,bcm2708: Disable 1-wire pull-up by default and expose parameters to modules See: raspberrypi/linux#602 kernel: i2c: Make combined transactions optional and disabled by default See: raspberrypi/linux#318 firmware: video_decode: Remove the minumum of 7 buffers requirement when extra_buffers=0 Allows memory reduction when video_decode is non-tunnelled
nathanchance
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Jun 25, 2020
[ Upstream commit 7ffa8b7 ] Aneesh increased the size of struct pt_regs by 16 bytes and started seeing this WARN_ON: smp: Bringing up secondary CPUs ... ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at arch/powerpc/kernel/process.c:455 giveup_all+0xb4/0x110 Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc2-gcc-8.2.0-1.g8f6a41f-default+ raspberrypi#318 NIP: c00000000001a2b4 LR: c00000000001a29c CTR: c0000000031d0000 REGS: c0000000026d3980 TRAP: 0700 Not tainted (5.7.0-rc2-gcc-8.2.0-1.g8f6a41f-default+) MSR: 800000000282b033 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI,LE> CR: 48048224 XER: 00000000 CFAR: c000000000019cc8 IRQMASK: 1 GPR00: c00000000001a264 c0000000026d3c20 c0000000026d7200 800000000280b033 GPR04: 0000000000000001 0000000000000000 0000000000000077 30206d7372203164 GPR08: 0000000000002000 0000000002002000 800000000280b033 3230303030303030 GPR12: 0000000000008800 c0000000031d0000 0000000000800050 0000000002000066 GPR16: 000000000309a1a0 000000000309a4b0 000000000309a2d8 000000000309a890 GPR20: 00000000030d0098 c00000000264da40 00000000fd620000 c0000000ff798080 GPR24: c00000000264edf0 c0000001007469f0 00000000fd620000 c0000000020e5e90 GPR28: c00000000264edf0 c00000000264d200 000000001db60000 c00000000264d200 NIP [c00000000001a2b4] giveup_all+0xb4/0x110 LR [c00000000001a29c] giveup_all+0x9c/0x110 Call Trace: [c0000000026d3c20] [c00000000001a264] giveup_all+0x64/0x110 (unreliable) [c0000000026d3c90] [c00000000001ae34] __switch_to+0x104/0x480 [c0000000026d3cf0] [c000000000e0b8a0] __schedule+0x320/0x970 [c0000000026d3dd0] [c000000000e0c518] schedule_idle+0x38/0x70 [c0000000026d3df0] [c00000000019c7c8] do_idle+0x248/0x3f0 [c0000000026d3e70] [c00000000019cbb8] cpu_startup_entry+0x38/0x40 [c0000000026d3ea0] [c000000000011bb0] rest_init+0xe0/0xf8 [c0000000026d3ed0] [c000000002004820] start_kernel+0x990/0x9e0 [c0000000026d3f90] [c00000000000c49c] start_here_common+0x1c/0x400 Which was unexpected. The warning is checking the thread.regs->msr value of the task we are switching from: usermsr = tsk->thread.regs->msr; ... WARN_ON((usermsr & MSR_VSX) && !((usermsr & MSR_FP) && (usermsr & MSR_VEC))); ie. if MSR_VSX is set then both of MSR_FP and MSR_VEC are also set. Dumping tsk->thread.regs->msr we see that it's: 0x1db60000 Which is not a normal looking MSR, in fact the only valid bit is MSR_VSX, all the other bits are reserved in the current definition of the MSR. We can see from the oops that it was swapper/0 that we were switching from when we hit the warning, ie. init_task. So its thread.regs points to the base (high addresses) in init_stack. Dumping the content of init_task->thread.regs, with the members of pt_regs annotated (the 16 bytes larger version), we see: 0000000000000000 c000000002780080 gpr[0] gpr[1] 0000000000000000 c000000002666008 gpr[2] gpr[3] c0000000026d3ed0 0000000000000078 gpr[4] gpr[5] c000000000011b68 c000000002780080 gpr[6] gpr[7] 0000000000000000 0000000000000000 gpr[8] gpr[9] c0000000026d3f90 0000800000002200 gpr[10] gpr[11] c000000002004820 c0000000026d7200 gpr[12] gpr[13] 000000001db60000 c0000000010aabe8 gpr[14] gpr[15] c0000000010aabe8 c0000000010aabe8 gpr[16] gpr[17] c00000000294d598 0000000000000000 gpr[18] gpr[19] 0000000000000000 0000000000001ff8 gpr[20] gpr[21] 0000000000000000 c00000000206d608 gpr[22] gpr[23] c00000000278e0cc 0000000000000000 gpr[24] gpr[25] 000000002fff0000 c000000000000000 gpr[26] gpr[27] 0000000002000000 0000000000000028 gpr[28] gpr[29] 000000001db60000 0000000004750000 gpr[30] gpr[31] 0000000002000000 000000001db60000 nip msr 0000000000000000 0000000000000000 orig_r3 ctr c00000000000c49c 0000000000000000 link xer 0000000000000000 0000000000000000 ccr softe 0000000000000000 0000000000000000 trap dar 0000000000000000 0000000000000000 dsisr result 0000000000000000 0000000000000000 ppr kuap 0000000000000000 0000000000000000 pad[2] pad[3] This looks suspiciously like stack frames, not a pt_regs. If we look closely we can see return addresses from the stack trace above, c000000002004820 (start_kernel) and c00000000000c49c (start_here_common). init_task->thread.regs is setup at build time in processor.h: #define INIT_THREAD { \ .ksp = INIT_SP, \ .regs = (struct pt_regs *)INIT_SP - 1, /* XXX bogus, I think */ \ The early boot code where we setup the initial stack is: LOAD_REG_ADDR(r3,init_thread_union) /* set up a stack pointer */ LOAD_REG_IMMEDIATE(r1,THREAD_SIZE) add r1,r3,r1 li r0,0 stdu r0,-STACK_FRAME_OVERHEAD(r1) Which creates a stack frame of size 112 bytes (STACK_FRAME_OVERHEAD). Which is far too small to contain a pt_regs. So the result is init_task->thread.regs is pointing at some stack frames on the init stack, not at a pt_regs. We have gotten away with this for so long because with pt_regs at its current size the MSR happens to point into the first frame, at a location that is not written to by the early asm. With the 16 byte expansion the MSR falls into the second frame, which is used by the compiler, and collides with a saved register that tends to be non-zero. As far as I can see this has been wrong since the original merge of 64-bit ppc support, back in 2002. Conceptually swapper should have no regs, it never entered from userspace, and in fact that's what we do on 32-bit. It's also presumably what the "bogus" comment is referring to. So I think the right fix is to just not-initialise regs at all. I'm slightly worried this will break some code that isn't prepared for a NULL regs, but we'll have to see. Remove the comment in head_64.S which refers to us setting up the regs (even though we never did), and is otherwise not really accurate any more. Reported-by: Aneesh Kumar K.V <[email protected]> Signed-off-by: Michael Ellerman <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sasha Levin <[email protected]>
popcornmix
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Jun 26, 2020
[ Upstream commit 7ffa8b7 ] Aneesh increased the size of struct pt_regs by 16 bytes and started seeing this WARN_ON: smp: Bringing up secondary CPUs ... ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at arch/powerpc/kernel/process.c:455 giveup_all+0xb4/0x110 Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc2-gcc-8.2.0-1.g8f6a41f-default+ #318 NIP: c00000000001a2b4 LR: c00000000001a29c CTR: c0000000031d0000 REGS: c0000000026d3980 TRAP: 0700 Not tainted (5.7.0-rc2-gcc-8.2.0-1.g8f6a41f-default+) MSR: 800000000282b033 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI,LE> CR: 48048224 XER: 00000000 CFAR: c000000000019cc8 IRQMASK: 1 GPR00: c00000000001a264 c0000000026d3c20 c0000000026d7200 800000000280b033 GPR04: 0000000000000001 0000000000000000 0000000000000077 30206d7372203164 GPR08: 0000000000002000 0000000002002000 800000000280b033 3230303030303030 GPR12: 0000000000008800 c0000000031d0000 0000000000800050 0000000002000066 GPR16: 000000000309a1a0 000000000309a4b0 000000000309a2d8 000000000309a890 GPR20: 00000000030d0098 c00000000264da40 00000000fd620000 c0000000ff798080 GPR24: c00000000264edf0 c0000001007469f0 00000000fd620000 c0000000020e5e90 GPR28: c00000000264edf0 c00000000264d200 000000001db60000 c00000000264d200 NIP [c00000000001a2b4] giveup_all+0xb4/0x110 LR [c00000000001a29c] giveup_all+0x9c/0x110 Call Trace: [c0000000026d3c20] [c00000000001a264] giveup_all+0x64/0x110 (unreliable) [c0000000026d3c90] [c00000000001ae34] __switch_to+0x104/0x480 [c0000000026d3cf0] [c000000000e0b8a0] __schedule+0x320/0x970 [c0000000026d3dd0] [c000000000e0c518] schedule_idle+0x38/0x70 [c0000000026d3df0] [c00000000019c7c8] do_idle+0x248/0x3f0 [c0000000026d3e70] [c00000000019cbb8] cpu_startup_entry+0x38/0x40 [c0000000026d3ea0] [c000000000011bb0] rest_init+0xe0/0xf8 [c0000000026d3ed0] [c000000002004820] start_kernel+0x990/0x9e0 [c0000000026d3f90] [c00000000000c49c] start_here_common+0x1c/0x400 Which was unexpected. The warning is checking the thread.regs->msr value of the task we are switching from: usermsr = tsk->thread.regs->msr; ... WARN_ON((usermsr & MSR_VSX) && !((usermsr & MSR_FP) && (usermsr & MSR_VEC))); ie. if MSR_VSX is set then both of MSR_FP and MSR_VEC are also set. Dumping tsk->thread.regs->msr we see that it's: 0x1db60000 Which is not a normal looking MSR, in fact the only valid bit is MSR_VSX, all the other bits are reserved in the current definition of the MSR. We can see from the oops that it was swapper/0 that we were switching from when we hit the warning, ie. init_task. So its thread.regs points to the base (high addresses) in init_stack. Dumping the content of init_task->thread.regs, with the members of pt_regs annotated (the 16 bytes larger version), we see: 0000000000000000 c000000002780080 gpr[0] gpr[1] 0000000000000000 c000000002666008 gpr[2] gpr[3] c0000000026d3ed0 0000000000000078 gpr[4] gpr[5] c000000000011b68 c000000002780080 gpr[6] gpr[7] 0000000000000000 0000000000000000 gpr[8] gpr[9] c0000000026d3f90 0000800000002200 gpr[10] gpr[11] c000000002004820 c0000000026d7200 gpr[12] gpr[13] 000000001db60000 c0000000010aabe8 gpr[14] gpr[15] c0000000010aabe8 c0000000010aabe8 gpr[16] gpr[17] c00000000294d598 0000000000000000 gpr[18] gpr[19] 0000000000000000 0000000000001ff8 gpr[20] gpr[21] 0000000000000000 c00000000206d608 gpr[22] gpr[23] c00000000278e0cc 0000000000000000 gpr[24] gpr[25] 000000002fff0000 c000000000000000 gpr[26] gpr[27] 0000000002000000 0000000000000028 gpr[28] gpr[29] 000000001db60000 0000000004750000 gpr[30] gpr[31] 0000000002000000 000000001db60000 nip msr 0000000000000000 0000000000000000 orig_r3 ctr c00000000000c49c 0000000000000000 link xer 0000000000000000 0000000000000000 ccr softe 0000000000000000 0000000000000000 trap dar 0000000000000000 0000000000000000 dsisr result 0000000000000000 0000000000000000 ppr kuap 0000000000000000 0000000000000000 pad[2] pad[3] This looks suspiciously like stack frames, not a pt_regs. If we look closely we can see return addresses from the stack trace above, c000000002004820 (start_kernel) and c00000000000c49c (start_here_common). init_task->thread.regs is setup at build time in processor.h: #define INIT_THREAD { \ .ksp = INIT_SP, \ .regs = (struct pt_regs *)INIT_SP - 1, /* XXX bogus, I think */ \ The early boot code where we setup the initial stack is: LOAD_REG_ADDR(r3,init_thread_union) /* set up a stack pointer */ LOAD_REG_IMMEDIATE(r1,THREAD_SIZE) add r1,r3,r1 li r0,0 stdu r0,-STACK_FRAME_OVERHEAD(r1) Which creates a stack frame of size 112 bytes (STACK_FRAME_OVERHEAD). Which is far too small to contain a pt_regs. So the result is init_task->thread.regs is pointing at some stack frames on the init stack, not at a pt_regs. We have gotten away with this for so long because with pt_regs at its current size the MSR happens to point into the first frame, at a location that is not written to by the early asm. With the 16 byte expansion the MSR falls into the second frame, which is used by the compiler, and collides with a saved register that tends to be non-zero. As far as I can see this has been wrong since the original merge of 64-bit ppc support, back in 2002. Conceptually swapper should have no regs, it never entered from userspace, and in fact that's what we do on 32-bit. It's also presumably what the "bogus" comment is referring to. So I think the right fix is to just not-initialise regs at all. I'm slightly worried this will break some code that isn't prepared for a NULL regs, but we'll have to see. Remove the comment in head_64.S which refers to us setting up the regs (even though we never did), and is otherwise not really accurate any more. Reported-by: Aneesh Kumar K.V <[email protected]> Signed-off-by: Michael Ellerman <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Sasha Levin <[email protected]>
popcornmix
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Jul 21, 2021
…format [ Upstream commit 06d213d ] For incoming SCO connection with transparent coding format, alt setting of CVSD is getting applied instead of Transparent. Before fix: < HCI Command: Accept Synchron.. (0x01|0x0029) plen 21 #2196 [hci0] 321.342548 Address: 1C:CC:D6:E2:EA:80 (Xiaomi Communications Co Ltd) Transmit bandwidth: 8000 Receive bandwidth: 8000 Max latency: 13 Setting: 0x0003 Input Coding: Linear Input Data Format: 1's complement Input Sample Size: 8-bit # of bits padding at MSB: 0 Air Coding Format: Transparent Data Retransmission effort: Optimize for link quality (0x02) Packet type: 0x003f HV1 may be used HV2 may be used HV3 may be used EV3 may be used EV4 may be used EV5 may be used > HCI Event: Command Status (0x0f) plen 4 #2197 [hci0] 321.343585 Accept Synchronous Connection Request (0x01|0x0029) ncmd 1 Status: Success (0x00) > HCI Event: Synchronous Connect Comp.. (0x2c) plen 17 #2198 [hci0] 321.351666 Status: Success (0x00) Handle: 257 Address: 1C:CC:D6:E2:EA:80 (Xiaomi Communications Co Ltd) Link type: eSCO (0x02) Transmission interval: 0x0c Retransmission window: 0x04 RX packet length: 60 TX packet length: 60 Air mode: Transparent (0x03) ........ > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2336 [hci0] 321.383655 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #2337 [hci0] 321.389558 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2338 [hci0] 321.393615 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2339 [hci0] 321.393618 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2340 [hci0] 321.393618 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #2341 [hci0] 321.397070 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2342 [hci0] 321.403622 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2343 [hci0] 321.403625 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2344 [hci0] 321.403625 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2345 [hci0] 321.403625 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #2346 [hci0] 321.404569 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #2347 [hci0] 321.412091 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2348 [hci0] 321.413626 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2349 [hci0] 321.413630 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2350 [hci0] 321.413630 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #2351 [hci0] 321.419674 After fix: < HCI Command: Accept Synchronou.. (0x01|0x0029) plen 21 #309 [hci0] 49.439693 Address: 1C:CC:D6:E2:EA:80 (Xiaomi Communications Co Ltd) Transmit bandwidth: 8000 Receive bandwidth: 8000 Max latency: 13 Setting: 0x0003 Input Coding: Linear Input Data Format: 1's complement Input Sample Size: 8-bit # of bits padding at MSB: 0 Air Coding Format: Transparent Data Retransmission effort: Optimize for link quality (0x02) Packet type: 0x003f HV1 may be used HV2 may be used HV3 may be used EV3 may be used EV4 may be used EV5 may be used > HCI Event: Command Status (0x0f) plen 4 #310 [hci0] 49.440308 Accept Synchronous Connection Request (0x01|0x0029) ncmd 1 Status: Success (0x00) > HCI Event: Synchronous Connect Complete (0x2c) plen 17 #311 [hci0] 49.449308 Status: Success (0x00) Handle: 257 Address: 1C:CC:D6:E2:EA:80 (Xiaomi Communications Co Ltd) Link type: eSCO (0x02) Transmission interval: 0x0c Retransmission window: 0x04 RX packet length: 60 TX packet length: 60 Air mode: Transparent (0x03) < SCO Data TX: Handle 257 flags 0x00 dlen 60 #312 [hci0] 49.450421 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #313 [hci0] 49.457927 > HCI Event: Max Slots Change (0x1b) plen 3 #314 [hci0] 49.460345 Handle: 256 Max slots: 5 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #315 [hci0] 49.465453 > SCO Data RX: Handle 257 flags 0x00 dlen 60 #316 [hci0] 49.470502 > SCO Data RX: Handle 257 flags 0x00 dlen 60 #317 [hci0] 49.470519 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #318 [hci0] 49.472996 > SCO Data RX: Handle 257 flags 0x00 dlen 60 #319 [hci0] 49.480412 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #320 [hci0] 49.480492 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #321 [hci0] 49.487989 > SCO Data RX: Handle 257 flags 0x00 dlen 60 #322 [hci0] 49.490303 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #323 [hci0] 49.495496 > SCO Data RX: Handle 257 flags 0x00 dlen 60 #324 [hci0] 49.500304 > SCO Data RX: Handle 257 flags 0x00 dlen 60 #325 [hci0] 49.500311 Signed-off-by: Kiran K <[email protected]> Signed-off-by: Lokendra Singh <[email protected]> Signed-off-by: Marcel Holtmann <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
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Jul 22, 2021
…format [ Upstream commit 06d213d ] For incoming SCO connection with transparent coding format, alt setting of CVSD is getting applied instead of Transparent. Before fix: < HCI Command: Accept Synchron.. (0x01|0x0029) plen 21 #2196 [hci0] 321.342548 Address: 1C:CC:D6:E2:EA:80 (Xiaomi Communications Co Ltd) Transmit bandwidth: 8000 Receive bandwidth: 8000 Max latency: 13 Setting: 0x0003 Input Coding: Linear Input Data Format: 1's complement Input Sample Size: 8-bit # of bits padding at MSB: 0 Air Coding Format: Transparent Data Retransmission effort: Optimize for link quality (0x02) Packet type: 0x003f HV1 may be used HV2 may be used HV3 may be used EV3 may be used EV4 may be used EV5 may be used > HCI Event: Command Status (0x0f) plen 4 #2197 [hci0] 321.343585 Accept Synchronous Connection Request (0x01|0x0029) ncmd 1 Status: Success (0x00) > HCI Event: Synchronous Connect Comp.. (0x2c) plen 17 #2198 [hci0] 321.351666 Status: Success (0x00) Handle: 257 Address: 1C:CC:D6:E2:EA:80 (Xiaomi Communications Co Ltd) Link type: eSCO (0x02) Transmission interval: 0x0c Retransmission window: 0x04 RX packet length: 60 TX packet length: 60 Air mode: Transparent (0x03) ........ > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2336 [hci0] 321.383655 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #2337 [hci0] 321.389558 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2338 [hci0] 321.393615 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2339 [hci0] 321.393618 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2340 [hci0] 321.393618 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #2341 [hci0] 321.397070 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2342 [hci0] 321.403622 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2343 [hci0] 321.403625 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2344 [hci0] 321.403625 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2345 [hci0] 321.403625 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #2346 [hci0] 321.404569 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #2347 [hci0] 321.412091 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2348 [hci0] 321.413626 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2349 [hci0] 321.413630 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2350 [hci0] 321.413630 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #2351 [hci0] 321.419674 After fix: < HCI Command: Accept Synchronou.. (0x01|0x0029) plen 21 #309 [hci0] 49.439693 Address: 1C:CC:D6:E2:EA:80 (Xiaomi Communications Co Ltd) Transmit bandwidth: 8000 Receive bandwidth: 8000 Max latency: 13 Setting: 0x0003 Input Coding: Linear Input Data Format: 1's complement Input Sample Size: 8-bit # of bits padding at MSB: 0 Air Coding Format: Transparent Data Retransmission effort: Optimize for link quality (0x02) Packet type: 0x003f HV1 may be used HV2 may be used HV3 may be used EV3 may be used EV4 may be used EV5 may be used > HCI Event: Command Status (0x0f) plen 4 #310 [hci0] 49.440308 Accept Synchronous Connection Request (0x01|0x0029) ncmd 1 Status: Success (0x00) > HCI Event: Synchronous Connect Complete (0x2c) plen 17 #311 [hci0] 49.449308 Status: Success (0x00) Handle: 257 Address: 1C:CC:D6:E2:EA:80 (Xiaomi Communications Co Ltd) Link type: eSCO (0x02) Transmission interval: 0x0c Retransmission window: 0x04 RX packet length: 60 TX packet length: 60 Air mode: Transparent (0x03) < SCO Data TX: Handle 257 flags 0x00 dlen 60 #312 [hci0] 49.450421 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #313 [hci0] 49.457927 > HCI Event: Max Slots Change (0x1b) plen 3 #314 [hci0] 49.460345 Handle: 256 Max slots: 5 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #315 [hci0] 49.465453 > SCO Data RX: Handle 257 flags 0x00 dlen 60 #316 [hci0] 49.470502 > SCO Data RX: Handle 257 flags 0x00 dlen 60 #317 [hci0] 49.470519 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #318 [hci0] 49.472996 > SCO Data RX: Handle 257 flags 0x00 dlen 60 #319 [hci0] 49.480412 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #320 [hci0] 49.480492 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #321 [hci0] 49.487989 > SCO Data RX: Handle 257 flags 0x00 dlen 60 #322 [hci0] 49.490303 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #323 [hci0] 49.495496 > SCO Data RX: Handle 257 flags 0x00 dlen 60 #324 [hci0] 49.500304 > SCO Data RX: Handle 257 flags 0x00 dlen 60 #325 [hci0] 49.500311 Signed-off-by: Kiran K <[email protected]> Signed-off-by: Lokendra Singh <[email protected]> Signed-off-by: Marcel Holtmann <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
popcornmix
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Jul 27, 2021
…format [ Upstream commit 06d213d ] For incoming SCO connection with transparent coding format, alt setting of CVSD is getting applied instead of Transparent. Before fix: < HCI Command: Accept Synchron.. (0x01|0x0029) plen 21 #2196 [hci0] 321.342548 Address: 1C:CC:D6:E2:EA:80 (Xiaomi Communications Co Ltd) Transmit bandwidth: 8000 Receive bandwidth: 8000 Max latency: 13 Setting: 0x0003 Input Coding: Linear Input Data Format: 1's complement Input Sample Size: 8-bit # of bits padding at MSB: 0 Air Coding Format: Transparent Data Retransmission effort: Optimize for link quality (0x02) Packet type: 0x003f HV1 may be used HV2 may be used HV3 may be used EV3 may be used EV4 may be used EV5 may be used > HCI Event: Command Status (0x0f) plen 4 #2197 [hci0] 321.343585 Accept Synchronous Connection Request (0x01|0x0029) ncmd 1 Status: Success (0x00) > HCI Event: Synchronous Connect Comp.. (0x2c) plen 17 #2198 [hci0] 321.351666 Status: Success (0x00) Handle: 257 Address: 1C:CC:D6:E2:EA:80 (Xiaomi Communications Co Ltd) Link type: eSCO (0x02) Transmission interval: 0x0c Retransmission window: 0x04 RX packet length: 60 TX packet length: 60 Air mode: Transparent (0x03) ........ > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2336 [hci0] 321.383655 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #2337 [hci0] 321.389558 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2338 [hci0] 321.393615 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2339 [hci0] 321.393618 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2340 [hci0] 321.393618 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #2341 [hci0] 321.397070 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2342 [hci0] 321.403622 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2343 [hci0] 321.403625 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2344 [hci0] 321.403625 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2345 [hci0] 321.403625 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #2346 [hci0] 321.404569 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #2347 [hci0] 321.412091 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2348 [hci0] 321.413626 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2349 [hci0] 321.413630 > SCO Data RX: Handle 257 flags 0x00 dlen 48 #2350 [hci0] 321.413630 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #2351 [hci0] 321.419674 After fix: < HCI Command: Accept Synchronou.. (0x01|0x0029) plen 21 #309 [hci0] 49.439693 Address: 1C:CC:D6:E2:EA:80 (Xiaomi Communications Co Ltd) Transmit bandwidth: 8000 Receive bandwidth: 8000 Max latency: 13 Setting: 0x0003 Input Coding: Linear Input Data Format: 1's complement Input Sample Size: 8-bit # of bits padding at MSB: 0 Air Coding Format: Transparent Data Retransmission effort: Optimize for link quality (0x02) Packet type: 0x003f HV1 may be used HV2 may be used HV3 may be used EV3 may be used EV4 may be used EV5 may be used > HCI Event: Command Status (0x0f) plen 4 #310 [hci0] 49.440308 Accept Synchronous Connection Request (0x01|0x0029) ncmd 1 Status: Success (0x00) > HCI Event: Synchronous Connect Complete (0x2c) plen 17 #311 [hci0] 49.449308 Status: Success (0x00) Handle: 257 Address: 1C:CC:D6:E2:EA:80 (Xiaomi Communications Co Ltd) Link type: eSCO (0x02) Transmission interval: 0x0c Retransmission window: 0x04 RX packet length: 60 TX packet length: 60 Air mode: Transparent (0x03) < SCO Data TX: Handle 257 flags 0x00 dlen 60 #312 [hci0] 49.450421 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #313 [hci0] 49.457927 > HCI Event: Max Slots Change (0x1b) plen 3 #314 [hci0] 49.460345 Handle: 256 Max slots: 5 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #315 [hci0] 49.465453 > SCO Data RX: Handle 257 flags 0x00 dlen 60 #316 [hci0] 49.470502 > SCO Data RX: Handle 257 flags 0x00 dlen 60 #317 [hci0] 49.470519 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #318 [hci0] 49.472996 > SCO Data RX: Handle 257 flags 0x00 dlen 60 #319 [hci0] 49.480412 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #320 [hci0] 49.480492 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #321 [hci0] 49.487989 > SCO Data RX: Handle 257 flags 0x00 dlen 60 #322 [hci0] 49.490303 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #323 [hci0] 49.495496 > SCO Data RX: Handle 257 flags 0x00 dlen 60 #324 [hci0] 49.500304 > SCO Data RX: Handle 257 flags 0x00 dlen 60 #325 [hci0] 49.500311 Signed-off-by: Kiran K <[email protected]> Signed-off-by: Lokendra Singh <[email protected]> Signed-off-by: Marcel Holtmann <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
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Apr 3, 2024
In case when is64 == 1 in emit(A64_REV32(is64, dst, dst), ctx) the generated insn reverses byte order for both high and low 32-bit words, resuling in an incorrect swap as indicated by the jit test: [ 9757.262607] test_bpf: #312 BSWAP 16: 0x0123456789abcdef -> 0xefcd jited:1 8 PASS [ 9757.264435] test_bpf: #313 BSWAP 32: 0x0123456789abcdef -> 0xefcdab89 jited:1 ret 1460850314 != -271733879 (0x5712ce8a != 0xefcdab89)FAIL (1 times) [ 9757.266260] test_bpf: #314 BSWAP 64: 0x0123456789abcdef -> 0x67452301 jited:1 8 PASS [ 9757.268000] test_bpf: #315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 8 PASS [ 9757.269686] test_bpf: #316 BSWAP 16: 0xfedcba9876543210 -> 0x1032 jited:1 8 PASS [ 9757.271380] test_bpf: #317 BSWAP 32: 0xfedcba9876543210 -> 0x10325476 jited:1 ret -1460850316 != 271733878 (0xa8ed3174 != 0x10325476)FAIL (1 times) [ 9757.273022] test_bpf: #318 BSWAP 64: 0xfedcba9876543210 -> 0x98badcfe jited:1 7 PASS [ 9757.274721] test_bpf: #319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 9 PASS Fix this by forcing 32bit variant of rev32. Fixes: 1104247 ("bpf, arm64: Support unconditional bswap") Signed-off-by: Artem Savkov <[email protected]> Tested-by: Puranjay Mohan <[email protected]> Acked-by: Puranjay Mohan <[email protected]> Acked-by: Xu Kuohai <[email protected]> Message-ID: <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]>
popcornmix
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Apr 11, 2024
[ Upstream commit a51cd6b ] In case when is64 == 1 in emit(A64_REV32(is64, dst, dst), ctx) the generated insn reverses byte order for both high and low 32-bit words, resuling in an incorrect swap as indicated by the jit test: [ 9757.262607] test_bpf: #312 BSWAP 16: 0x0123456789abcdef -> 0xefcd jited:1 8 PASS [ 9757.264435] test_bpf: #313 BSWAP 32: 0x0123456789abcdef -> 0xefcdab89 jited:1 ret 1460850314 != -271733879 (0x5712ce8a != 0xefcdab89)FAIL (1 times) [ 9757.266260] test_bpf: #314 BSWAP 64: 0x0123456789abcdef -> 0x67452301 jited:1 8 PASS [ 9757.268000] test_bpf: #315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 8 PASS [ 9757.269686] test_bpf: #316 BSWAP 16: 0xfedcba9876543210 -> 0x1032 jited:1 8 PASS [ 9757.271380] test_bpf: #317 BSWAP 32: 0xfedcba9876543210 -> 0x10325476 jited:1 ret -1460850316 != 271733878 (0xa8ed3174 != 0x10325476)FAIL (1 times) [ 9757.273022] test_bpf: #318 BSWAP 64: 0xfedcba9876543210 -> 0x98badcfe jited:1 7 PASS [ 9757.274721] test_bpf: #319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 9 PASS Fix this by forcing 32bit variant of rev32. Fixes: 1104247 ("bpf, arm64: Support unconditional bswap") Signed-off-by: Artem Savkov <[email protected]> Tested-by: Puranjay Mohan <[email protected]> Acked-by: Puranjay Mohan <[email protected]> Acked-by: Xu Kuohai <[email protected]> Message-ID: <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
popcornmix
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Apr 11, 2024
[ Upstream commit a51cd6b ] In case when is64 == 1 in emit(A64_REV32(is64, dst, dst), ctx) the generated insn reverses byte order for both high and low 32-bit words, resuling in an incorrect swap as indicated by the jit test: [ 9757.262607] test_bpf: #312 BSWAP 16: 0x0123456789abcdef -> 0xefcd jited:1 8 PASS [ 9757.264435] test_bpf: #313 BSWAP 32: 0x0123456789abcdef -> 0xefcdab89 jited:1 ret 1460850314 != -271733879 (0x5712ce8a != 0xefcdab89)FAIL (1 times) [ 9757.266260] test_bpf: #314 BSWAP 64: 0x0123456789abcdef -> 0x67452301 jited:1 8 PASS [ 9757.268000] test_bpf: #315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 jited:1 8 PASS [ 9757.269686] test_bpf: #316 BSWAP 16: 0xfedcba9876543210 -> 0x1032 jited:1 8 PASS [ 9757.271380] test_bpf: #317 BSWAP 32: 0xfedcba9876543210 -> 0x10325476 jited:1 ret -1460850316 != 271733878 (0xa8ed3174 != 0x10325476)FAIL (1 times) [ 9757.273022] test_bpf: #318 BSWAP 64: 0xfedcba9876543210 -> 0x98badcfe jited:1 7 PASS [ 9757.274721] test_bpf: #319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 jited:1 9 PASS Fix this by forcing 32bit variant of rev32. Fixes: 1104247 ("bpf, arm64: Support unconditional bswap") Signed-off-by: Artem Savkov <[email protected]> Tested-by: Puranjay Mohan <[email protected]> Acked-by: Puranjay Mohan <[email protected]> Acked-by: Xu Kuohai <[email protected]> Message-ID: <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
popcornmix
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Jun 12, 2024
[ Upstream commit 8ecf3c1 ] Recent additions in BPF like cpu v4 instructions, test_bpf module exhibits the following failures: test_bpf: #82 ALU_MOVSX | BPF_B jited:1 ret 2 != 1 (0x2 != 0x1)FAIL (1 times) test_bpf: #83 ALU_MOVSX | BPF_H jited:1 ret 2 != 1 (0x2 != 0x1)FAIL (1 times) test_bpf: #84 ALU64_MOVSX | BPF_B jited:1 ret 2 != 1 (0x2 != 0x1)FAIL (1 times) test_bpf: #85 ALU64_MOVSX | BPF_H jited:1 ret 2 != 1 (0x2 != 0x1)FAIL (1 times) test_bpf: #86 ALU64_MOVSX | BPF_W jited:1 ret 2 != 1 (0x2 != 0x1)FAIL (1 times) test_bpf: #165 ALU_SDIV_X: -6 / 2 = -3 jited:1 ret 2147483645 != -3 (0x7ffffffd != 0xfffffffd)FAIL (1 times) test_bpf: #166 ALU_SDIV_K: -6 / 2 = -3 jited:1 ret 2147483645 != -3 (0x7ffffffd != 0xfffffffd)FAIL (1 times) test_bpf: #169 ALU_SMOD_X: -7 % 2 = -1 jited:1 ret 1 != -1 (0x1 != 0xffffffff)FAIL (1 times) test_bpf: #170 ALU_SMOD_K: -7 % 2 = -1 jited:1 ret 1 != -1 (0x1 != 0xffffffff)FAIL (1 times) test_bpf: #172 ALU64_SMOD_K: -7 % 2 = -1 jited:1 ret 1 != -1 (0x1 != 0xffffffff)FAIL (1 times) test_bpf: #313 BSWAP 16: 0x0123456789abcdef -> 0xefcd eBPF filter opcode 00d7 (@2) unsupported jited:0 301 PASS test_bpf: #314 BSWAP 32: 0x0123456789abcdef -> 0xefcdab89 eBPF filter opcode 00d7 (@2) unsupported jited:0 555 PASS test_bpf: #315 BSWAP 64: 0x0123456789abcdef -> 0x67452301 eBPF filter opcode 00d7 (@2) unsupported jited:0 268 PASS test_bpf: #316 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 eBPF filter opcode 00d7 (@2) unsupported jited:0 269 PASS test_bpf: #317 BSWAP 16: 0xfedcba9876543210 -> 0x1032 eBPF filter opcode 00d7 (@2) unsupported jited:0 460 PASS test_bpf: #318 BSWAP 32: 0xfedcba9876543210 -> 0x10325476 eBPF filter opcode 00d7 (@2) unsupported jited:0 320 PASS test_bpf: #319 BSWAP 64: 0xfedcba9876543210 -> 0x98badcfe eBPF filter opcode 00d7 (@2) unsupported jited:0 222 PASS test_bpf: #320 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 eBPF filter opcode 00d7 (@2) unsupported jited:0 273 PASS test_bpf: #344 BPF_LDX_MEMSX | BPF_B eBPF filter opcode 0091 (@5) unsupported jited:0 432 PASS test_bpf: #345 BPF_LDX_MEMSX | BPF_H eBPF filter opcode 0089 (@5) unsupported jited:0 381 PASS test_bpf: #346 BPF_LDX_MEMSX | BPF_W eBPF filter opcode 0081 (@5) unsupported jited:0 505 PASS test_bpf: #490 JMP32_JA: Unconditional jump: if (true) return 1 eBPF filter opcode 0006 (@1) unsupported jited:0 261 PASS test_bpf: Summary: 1040 PASSED, 10 FAILED, [924/1038 JIT'ed] Fix them by adding missing processing. Fixes: daabb2b ("bpf/tests: add tests for cpuv4 instructions") Signed-off-by: Christophe Leroy <[email protected]> Signed-off-by: Michael Ellerman <[email protected]> Link: https://msgid.link/91de862dda99d170697eb79ffb478678af7e0b27.1709652689.git.christophe.leroy@csgroup.eu Signed-off-by: Sasha Levin <[email protected]>
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Perform I2C combined transactions whenever possible, within the
restrictions of the Broadcomm Serial Controller.