diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-08-27 13:12:40 +1000 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-08-27 13:12:40 +1000 |
commit | f480fe3916de2e2cbb6e384cb685f0f1d8272188 (patch) | |
tree | 141c60a2a263f1c01907e692d4aef1e6b699d8c7 /arch/x86/xen | |
parent | 4f0dbc2781b9dc457159b676289f874ab2dc3560 (diff) | |
parent | f415c413f458837bd0c27086b79aca889f9435e4 (diff) |
Merge commit 'origin/master' into next
Diffstat (limited to 'arch/x86/xen')
-rw-r--r-- | arch/x86/xen/Makefile | 4 | ||||
-rw-r--r-- | arch/x86/xen/enlighten.c | 22 |
2 files changed, 14 insertions, 12 deletions
diff --git a/arch/x86/xen/Makefile b/arch/x86/xen/Makefile index 172438f86a0..7410640db17 100644 --- a/arch/x86/xen/Makefile +++ b/arch/x86/xen/Makefile @@ -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 diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 0a1700a2be9..e90540a46a0 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -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 |