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x86/tsc: Annotate printouts as firmware bug

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Make it more obvious that the BIOS is screwed up.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Roland Scheidegger <rscheidegger_lists@hispeed.ch>
Cc: Bruce Schlobohm <bruce.schlobohm@intel.com>
Cc: Kevin Stanton <kevin.b.stanton@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
This commit is contained in:
Thomas Gleixner 2016-12-18 15:06:27 +01:00
parent 5bae156241
commit 16588f6592
1 changed files with 3 additions and 2 deletions
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5
arch/x86/kernel/tsc_sync.c
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@ -76,7 +76,8 @@ static void tsc_sanitize_first_cpu(struct tsc_adjust *cur, s64 bootval,
* deadline timer creates an interrupt storm. Sigh!
*/
if ((bootcpu && bootval != 0) || (!bootcpu && bootval < 0)) {
pr_warn("TSC ADJUST: CPU%u: %lld force to 0\n", cpu, bootval);
pr_warn(FW_BUG "TSC ADJUST: CPU%u: %lld force to 0\n", cpu,
bootval);
wrmsrl(MSR_IA32_TSC_ADJUST, 0);
bootval = 0;
}
@ -141,7 +142,7 @@ bool tsc_store_and_check_tsc_adjust(bool bootcpu)
* package.
*/
if (bootval != ref->bootval) {
pr_warn("TSC ADJUST differs: Reference CPU%u: %lld CPU%u: %lld\n",
pr_warn(FW_BUG "TSC ADJUST differs: Reference CPU%u: %lld CPU%u: %lld\n",
refcpu, ref->bootval, cpu, bootval);
}
/*