From 17369f3e3a501c6177d17016cdc09b22b54e7f1c Mon Sep 17 00:00:00 2001
From: Ryo Onodera <ryoqun@gmail.com>
Date: Mon, 11 Jul 2022 22:00:14 +0900
Subject: [PATCH] Patch crossbeam-epoch to avoid overhead

---
 Cargo.lock | 3 +--
 Cargo.toml | 4 ++++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 3a029a2ed106e9..c74327ff39fc84 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1007,8 +1007,7 @@ dependencies = [
 [[package]]
 name = "crossbeam-epoch"
 version = "0.9.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ec02e091aa634e2c3ada4a392989e7c3116673ef0ac5b72232439094d73b7fd"
+source = "git+https://github.com/solana-labs/crossbeam?rev=fd279d707025f0e60951e429bf778b4813d1b6bf#fd279d707025f0e60951e429bf778b4813d1b6bf"
 dependencies = [
  "cfg-if 1.0.0",
  "crossbeam-utils",
diff --git a/Cargo.toml b/Cargo.toml
index 9aad90aeb4f175..d54b9f1bec20e7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -94,3 +94,7 @@ exclude = [
 
 # This prevents a Travis CI error when building for Windows.
 resolver = "2"
+
+# for details, see https://github.com/solana-labs/crossbeam/commit/fd279d707025f0e60951e429bf778b4813d1b6bf
+[patch.crates-io]
+crossbeam-epoch = { git = "https://github.com/solana-labs/crossbeam", rev = "fd279d707025f0e60951e429bf778b4813d1b6bf" }