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x86/cpu: Correct comments and messages in P4 erratum 037 handling code 

Remove the linebreak in the conditional and s/errata/erratum/ as the
singular is "erratum".

No functionality change.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1462733920-7224-1-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
hifive-unleashed-5.1
Borislav Petkov 2016-05-08 20:58:40 +02:00 committed by Ingo Molnar
parent 3282e6b8f8
commit f0133acc7d
1 changed files with 3 additions and 4 deletions
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7
arch/x86/kernel/cpu/intel.c
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@ -263,15 +263,14 @@ static void intel_workarounds(struct cpuinfo_x86 *c)
}
/*
* P4 Xeon errata 037 workaround.
* P4 Xeon erratum 037 workaround.
* Hardware prefetcher may cause stale data to be loaded into the cache.
*/
if ((c->x86 == 15) && (c->x86_model == 1) && (c->x86_mask == 1)) {
if (msr_set_bit(MSR_IA32_MISC_ENABLE,
MSR_IA32_MISC_ENABLE_PREFETCH_DISABLE_BIT)
> 0) {
MSR_IA32_MISC_ENABLE_PREFETCH_DISABLE_BIT) > 0) {
pr_info("CPU: C0 stepping P4 Xeon detected.\n");
pr_info("CPU: Disabling hardware prefetching (Errata 037)\n");
pr_info("CPU: Disabling hardware prefetching (Erratum 037)\n");
}
}