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authorH. Peter Anvin <hpa@zytor.com>2009-05-23 16:42:19 -0700
committerH. Peter Anvin <hpa@zytor.com>2009-05-23 16:42:19 -0700
commitee0736627d3347be0be2769fa7b26431f9726c9d (patch)
tree203e2204daaec4cf005463fdf2c7bf380d6eef36 /arch/x86/kernel/cpu/common.c
parentcf9972a921470b0a2da7906104bcd540b20e33bf (diff)
parent0af48f42df15b97080b450d24219dd95db7b929a (diff)
downloadblackbird-op-linux-ee0736627d3347be0be2769fa7b26431f9726c9d.tar.gz
blackbird-op-linux-ee0736627d3347be0be2769fa7b26431f9726c9d.zip
Merge branch 'x86/urgent' into x86/setup
Resolved conflicts: arch/x86/boot/memory.c Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/kernel/cpu/common.c')
-rw-r--r--arch/x86/kernel/cpu/common.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index c4f667896c28..77848d9fca68 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -114,6 +114,13 @@ DEFINE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page) = { .gdt = {
} };
EXPORT_PER_CPU_SYMBOL_GPL(gdt_page);
+static int __init x86_xsave_setup(char *s)
+{
+ setup_clear_cpu_cap(X86_FEATURE_XSAVE);
+ return 1;
+}
+__setup("noxsave", x86_xsave_setup);
+
#ifdef CONFIG_X86_32
static int cachesize_override __cpuinitdata = -1;
static int disable_x86_serial_nr __cpuinitdata = 1;
@@ -1203,6 +1210,8 @@ void __cpuinit cpu_init(void)
load_TR_desc();
load_LDT(&init_mm.context);
+ t->x86_tss.io_bitmap_base = offsetof(struct tss_struct, io_bitmap);
+
#ifdef CONFIG_DOUBLEFAULT
/* Set up doublefault TSS pointer in the GDT */
__set_tss_desc(cpu, GDT_ENTRY_DOUBLEFAULT_TSS, &doublefault_tss);
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