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x86/mce: Do not use memset to clear the banks bitmaps

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The bitmap is a single unsigned long so no need for the function call.

No functional changes.

Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211208111343.8130-2-bp@alien8.de
This commit is contained in:
Borislav Petkov
2021-11-01 15:34:48 +01:00
parent 1e56279a49
commit cd5e0d1fc9
1 changed files with 2 additions and 3 deletions
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5
arch/x86/kernel/cpu/mce/core.c
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@@ -1336,8 +1336,8 @@ static noinstr void unexpected_machine_check(struct pt_regs *regs)
noinstr void do_machine_check(struct pt_regs *regs)
{
int worst = 0, order, no_way_out, kill_current_task, lmce;
DECLARE_BITMAP(valid_banks, MAX_NR_BANKS);
DECLARE_BITMAP(toclear, MAX_NR_BANKS);
DECLARE_BITMAP(valid_banks, MAX_NR_BANKS) = { 0 };
DECLARE_BITMAP(toclear, MAX_NR_BANKS) = { 0 };
struct mca_config *cfg = &mca_cfg;
struct mce m, *final;
char *msg = NULL;
@@ -1381,7 +1381,6 @@ noinstr void do_machine_check(struct pt_regs *regs)
final = this_cpu_ptr(&mces_seen);
*final = m;
memset(valid_banks, 0, sizeof(valid_banks));
no_way_out = mce_no_way_out(&m, &msg, valid_banks, regs);
barrier();