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OpenCloudOS-Kernel
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Merge branch 'bugfix' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen into x86/urgent

This commit is contained in:
Ingo Molnar 2009-08-20 12:05:24 +02:00
parent 78b89ecd73 ce2eef33d3
commit cbcb340cb6
3 changed files with 18 additions and 12 deletions
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4
arch/x86/kernel/cpu/Makefile
View File

@ -7,6 +7,10 @@ ifdef CONFIG_FUNCTION_TRACER
CFLAGS_REMOVE_common.o = -pg
endif
# Make sure load_percpu_segment has no stackprotector
nostackp := $(call cc-option, -fno-stack-protector)
CFLAGS_common.o := $(nostackp)
obj-y := intel_cacheinfo.o addon_cpuid_features.o
obj-y += proc.o capflags.o powerflags.o common.o
obj-y += vmware.o hypervisor.o

4
arch/x86/xen/Makefile
View File

@ -5,6 +5,10 @@ CFLAGS_REMOVE_time.o = -pg
CFLAGS_REMOVE_irq.o = -pg
endif
# Make sure early boot has no stackprotector
nostackp := $(call cc-option, -fno-stack-protector)
CFLAGS_enlighten.o := $(nostackp)
obj-y := enlighten.o setup.o multicalls.o mmu.o irq.o \
time.o xen-asm.o xen-asm_$(BITS).o \
grant-table.o suspend.o

22
arch/x86/xen/enlighten.c
View File

@ -974,10 +974,6 @@ asmlinkage void __init xen_start_kernel(void)
xen_domain_type = XEN_PV_DOMAIN;
BUG_ON(memcmp(xen_start_info->magic, "xen-3", 5) != 0);
xen_setup_features();
/* Install Xen paravirt ops */
pv_info = xen_info;
pv_init_ops = xen_init_ops;
@ -986,8 +982,15 @@ asmlinkage void __init xen_start_kernel(void)
pv_apic_ops = xen_apic_ops;
pv_mmu_ops = xen_mmu_ops;
xen_init_irq_ops();
#ifdef CONFIG_X86_64
/*
* Setup percpu state. We only need to do this for 64-bit
* because 32-bit already has %fs set properly.
*/
load_percpu_segment(0);
#endif
xen_init_irq_ops();
xen_init_cpuid_mask();
#ifdef CONFIG_X86_LOCAL_APIC
@ -997,6 +1000,8 @@ asmlinkage void __init xen_start_kernel(void)
set_xen_basic_apic_ops();
#endif
xen_setup_features();
if (xen_feature(XENFEAT_mmu_pt_update_preserve_ad)) {
pv_mmu_ops.ptep_modify_prot_start = xen_ptep_modify_prot_start;
pv_mmu_ops.ptep_modify_prot_commit = xen_ptep_modify_prot_commit;
@ -1004,13 +1009,6 @@ asmlinkage void __init xen_start_kernel(void)
machine_ops = xen_machine_ops;
#ifdef CONFIG_X86_64
/*
* Setup percpu state. We only need to do this for 64-bit
* because 32-bit already has %fs set properly.
*/
load_percpu_segment(0);
#endif
/*
* The only reliable way to retain the initial address of the
* percpu gdt_page is to remember it here, so we can go and