Date: Thu, 26 Apr 2018 19:23:19 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r333034 - head/sys/x86/x86 Message-ID: <201804261923.w3QJNJ6M057474@repo.freebsd.org>
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Author: kib Date: Thu Apr 26 19:23:19 2018 New Revision: 333034 URL: https://svnweb.freebsd.org/changeset/base/333034 Log: Fix spelling: Appolo -> Apollo [1]. 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 Modified: head/sys/x86/x86/cpu_machdep.c Modified: head/sys/x86/x86/cpu_machdep.c ============================================================================== --- head/sys/x86/x86/cpu_machdep.c Thu Apr 26 19:15:39 2018 (r333033) +++ head/sys/x86/x86/cpu_machdep.c Thu Apr 26 19:23:19 2018 (r333034) @@ -578,7 +578,7 @@ out: 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; }
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