Module Name: src Committed By: riastradh Date: Fri Jan 17 10:38:48 UTC 2025
Modified Files: src/sys/arch/x86/x86: identcpu.c Log Message: x86/identcpu.c: Add archive link just in case. Refill paragraph while here to avoid overlong lines. To generate a diff of this commit: cvs rdiff -u -r1.132 -r1.133 src/sys/arch/x86/x86/identcpu.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/arch/x86/x86/identcpu.c diff -u src/sys/arch/x86/x86/identcpu.c:1.132 src/sys/arch/x86/x86/identcpu.c:1.133 --- src/sys/arch/x86/x86/identcpu.c:1.132 Mon Jan 13 18:51:37 2025 +++ src/sys/arch/x86/x86/identcpu.c Fri Jan 17 10:38:48 2025 @@ -1,4 +1,4 @@ -/* $NetBSD: identcpu.c,v 1.132 2025/01/13 18:51:37 andvar Exp $ */ +/* $NetBSD: identcpu.c,v 1.133 2025/01/17 10:38:48 riastradh Exp $ */ /*- * Copyright (c) 1999, 2000, 2001, 2006, 2007, 2008 The NetBSD Foundation, Inc. @@ -30,7 +30,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: identcpu.c,v 1.132 2025/01/13 18:51:37 andvar Exp $"); +__KERNEL_RCSID(0, "$NetBSD: identcpu.c,v 1.133 2025/01/17 10:38:48 riastradh Exp $"); #include "opt_xen.h" @@ -155,12 +155,14 @@ cpu_probe_intel_errata(struct cpu_info * * August 2022, Revision 010. See page 28, Section 5.30: "APL30 A Store * Instruction May Not Wake Up MWAIT." * https://cdrdv2-public.intel.com/334820/334820-APL_Spec_Update_rev010.pdf + * https://web.archive.org/web/20250114072355/https://cdrdv2-public.intel.com/334820/334820-APL_Spec_Update_rev010.pdf * - * Disable MWAIT/MONITOR on Apollo Lake CPUs to address the APL30 erratum. - * When using the MONITOR/MWAIT instruction pair, stores to the armed - * address range may fail to trigger MWAIT to resume execution. - * When these instructions are used to hatch secondary CPUs, - * this erratum causes SMP boot failures. + * Disable MWAIT/MONITOR on Apollo Lake CPUs to address the + * APL30 erratum. When using the MONITOR/MWAIT instruction + * pair, stores to the armed address range may fail to trigger + * MWAIT to resume execution. When these instructions are used + * to hatch secondary CPUs, this erratum causes SMP boot + * failures. */ if (family == 0x6 && model == 0x5C) { wrmsr(MSR_MISC_ENABLE,