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Fix spelling: Appolo -> Apollo [1].

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The APL31 NDA errata is APL30 public errata.  Add the reference and
provide the description [2].

Noted by:	emaste [2], rpokala [1]
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
This commit is contained in:
Konstantin Belousov 2018-04-26 19:23:19 +00:00
parent 84678c82b1
commit 160be7cc08
1 changed files with 6 additions and 2 deletions
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8
sys/x86/x86/cpu_machdep.c
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@ -578,7 +578,7 @@ cpu_idle(int busy)
static int cpu_idle_apl31_workaround;
SYSCTL_INT(_machdep, OID_AUTO, idle_apl31, CTLFLAG_RW,
&cpu_idle_apl31_workaround, 0,
"Appolo Lake APL31 MWAIT bug workaround");
"Apollo Lake APL31 MWAIT bug workaround");
int
cpu_idle_wakeup(int cpu)
@ -696,7 +696,11 @@ cpu_idle_tun(void *unused __unused)
cpu_idle_selector(tunvar);
if (cpu_vendor_id == CPU_VENDOR_INTEL && cpu_id == 0x506c9) {
/*
* Appolo Lake errata APL31.
* Apollo Lake errata APL31 (public errata APL30).
* Stores to the armed address range may not trigger
* MWAIT to resume execution. OS needs to use
* interrupts to wake processors from MWAIT-induced
* sleep states.
*/
cpu_idle_apl31_workaround = 1;
}