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| author |   Borislav Petkov <bp@suse.de> | 2021-11-01 15:34:48 +0100 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2021-12-13 14:11:22 +0100 |
| commit | cd5e0d1fc93a2218fbfb2b614f06e04e218ca948 (patch) | |
| tree | 78669226a00df7174f56f2948250326fd0257a5a /arch/x86/kernel | |
| parent | x86/mce/inject: Set the valid bit in MCA_STATUS before error injection (diff) | |
| download | linux-dev-cd5e0d1fc93a2218fbfb2b614f06e04e218ca948.tar.xz linux-dev-cd5e0d1fc93a2218fbfb2b614f06e04e218ca948.zip | |
x86/mce: Do not use memset to clear the banks bitmaps
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
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/cpu/mce/core.c | 5 |
1 files 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(); |