From 30bf1c45cac396a3b9637cfe40cb1bba4ebca7a9 Mon Sep 17 00:00:00 2001 From: cinap_lenrek Date: Sun, 31 May 2020 14:32:19 +0200 Subject: [PATCH 1/2] pc, xen: make PAT support optional (for xen) --- sys/src/9/pc/devarch.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/src/9/pc/devarch.c b/sys/src/9/pc/devarch.c index 595cbcb8b..d637d5aa3 100644 --- a/sys/src/9/pc/devarch.c +++ b/sys/src/9/pc/devarch.c @@ -882,12 +882,14 @@ cpuidentify(void) rdmsr(0x01, &mct); } +#ifdef PATWC /* IA32_PAT write combining */ if((m->cpuiddx & Pat) != 0 && rdmsr(0x277, &pat) != -1){ pat &= ~(255LL<<(PATWC*8)); pat |= 1LL<<(PATWC*8); /* WC */ wrmsr(0x277, pat); } +#endif if(m->cpuiddx & Mtrr) mtrrsync(); From 94916808dd9a53ac297ab537851791894b919828 Mon Sep 17 00:00:00 2001 From: cinap_lenrek Date: Sun, 31 May 2020 17:25:16 +0200 Subject: [PATCH 2/2] kernel: remove unused segment argument in freepte() --- sys/src/9/port/page.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/src/9/port/page.c b/sys/src/9/port/page.c index a55242c4d..0a039c099 100644 --- a/sys/src/9/port/page.c +++ b/sys/src/9/port/page.c @@ -371,7 +371,7 @@ ptealloc(void) } void -freepte(Segment *s, Pte *p) +freepte(Segment*, Pte *p) { Page **pg, **pe;