Messages in this thread Patch in this message | | | From | Borislav Petkov <> | Subject | [PATCH v1 01/12] x86/mce: Do not use memset to clear the banks bitmaps | Date | Wed, 8 Dec 2021 12:13:32 +0100 |
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From: Borislav Petkov <bp@suse.de>
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> --- arch/x86/kernel/cpu/mce/core.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c index 30de00fe0d7a..7c264ee18c95 100644 --- a/arch/x86/kernel/cpu/mce/core.c +++ b/arch/x86/kernel/cpu/mce/core.c @@ -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(); -- 2.29.2
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