The following commit has been merged into the ras/core branch of tip:
Commit-ID: ad669ec16afeb0edb7d5bc4f92fdd059565281d2
Gitweb: https://git.kernel.org/tip/ad669ec16afeb0edb7d5bc4f92fdd059565281d2
Author: Borislav Petkov <bp@xxxxxxx>
AuthorDate: Tue, 05 Oct 2021 20:06:57 +02:00
Committer: Borislav Petkov <bp@xxxxxxx>
CommitterDate: Mon, 13 Dec 2021 14:11:53 +01:00
x86/mce: Remove function-local cpus variables
Use num_online_cpus() directly.
No functional changes.
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Link: https://lore.kernel.org/r/20211208111343.8130-3-bp@xxxxxxxxx
---
arch/x86/kernel/cpu/mce/core.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
index 7c264ee..f15efa2 100644
--- a/arch/x86/kernel/cpu/mce/core.c
+++ b/arch/x86/kernel/cpu/mce/core.c
@@ -985,7 +985,6 @@ static atomic_t global_nwo;
static int mce_start(int *no_way_out)
{
int order;
- int cpus = num_online_cpus();
u64 timeout = (u64)mca_cfg.monarch_timeout * NSEC_PER_USEC;
if (!timeout)
@@ -1002,7 +1001,7 @@ static int mce_start(int *no_way_out)
/*
* Wait for everyone.
*/
- while (atomic_read(&mce_callin) != cpus) {
+ while (atomic_read(&mce_callin) != num_online_cpus()) {
if (mce_timed_out(&timeout,
"Timeout: Not all CPUs entered broadcast exception handler")) {
atomic_set(&global_nwo, 0);
@@ -1066,14 +1065,11 @@ static int mce_end(int order)
atomic_inc(&mce_executing);
if (order == 1) {
- /* CHECKME: Can this race with a parallel hotplug? */
- int cpus = num_online_cpus();
-
/*
* Monarch: Wait for everyone to go through their scanning
* loops.
*/
- while (atomic_read(&mce_executing) <= cpus) {
+ while (atomic_read(&mce_executing) <= num_online_cpus()) {
if (mce_timed_out(&timeout,
"Timeout: Monarch CPU unable to finish machine check processing"))
goto reset;
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