diff options
author | Dave Jones <davej@redhat.com> | 2006-12-12 17:41:41 -0500 |
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committer | Dave Jones <davej@redhat.com> | 2006-12-12 17:41:41 -0500 |
commit | c4366889dda8110247be59ca41fddb82951a8c26 (patch) | |
tree | 705c1a996bed8fd48ce94ff33ec9fd00f9b94875 /arch/powerpc/kernel/vdso.c | |
parent | db2fb9db5735cc532fd4fc55e94b9a3c3750378e (diff) | |
parent | e1036502e5263851259d147771226161e5ccc85a (diff) |
Merge ../linus
Conflicts:
drivers/cpufreq/cpufreq.c
Diffstat (limited to 'arch/powerpc/kernel/vdso.c')
-rw-r--r-- | arch/powerpc/kernel/vdso.c | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c index 1a7e19cdab39..a4b28c73bba0 100644 --- a/arch/powerpc/kernel/vdso.c +++ b/arch/powerpc/kernel/vdso.c | |||
@@ -36,6 +36,8 @@ | |||
36 | #include <asm/vdso.h> | 36 | #include <asm/vdso.h> |
37 | #include <asm/vdso_datapage.h> | 37 | #include <asm/vdso_datapage.h> |
38 | 38 | ||
39 | #include "setup.h" | ||
40 | |||
39 | #undef DEBUG | 41 | #undef DEBUG |
40 | 42 | ||
41 | #ifdef DEBUG | 43 | #ifdef DEBUG |
@@ -262,7 +264,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, | |||
262 | 264 | ||
263 | 265 | ||
264 | /* Allocate a VMA structure and fill it up */ | 266 | /* Allocate a VMA structure and fill it up */ |
265 | vma = kmem_cache_zalloc(vm_area_cachep, SLAB_KERNEL); | 267 | vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); |
266 | if (vma == NULL) { | 268 | if (vma == NULL) { |
267 | rc = -ENOMEM; | 269 | rc = -ENOMEM; |
268 | goto fail_mmapsem; | 270 | goto fail_mmapsem; |
@@ -586,6 +588,43 @@ static __init int vdso_fixup_datapage(struct lib32_elfinfo *v32, | |||
586 | return 0; | 588 | return 0; |
587 | } | 589 | } |
588 | 590 | ||
591 | |||
592 | static __init int vdso_fixup_features(struct lib32_elfinfo *v32, | ||
593 | struct lib64_elfinfo *v64) | ||
594 | { | ||
595 | void *start32; | ||
596 | unsigned long size32; | ||
597 | |||
598 | #ifdef CONFIG_PPC64 | ||
599 | void *start64; | ||
600 | unsigned long size64; | ||
601 | |||
602 | start64 = find_section64(v64->hdr, "__ftr_fixup", &size64); | ||
603 | if (start64) | ||
604 | do_feature_fixups(cur_cpu_spec->cpu_features, | ||
605 | start64, start64 + size64); | ||
606 | |||
607 | start64 = find_section64(v64->hdr, "__fw_ftr_fixup", &size64); | ||
608 | if (start64) | ||
609 | do_feature_fixups(powerpc_firmware_features, | ||
610 | start64, start64 + size64); | ||
611 | #endif /* CONFIG_PPC64 */ | ||
612 | |||
613 | start32 = find_section32(v32->hdr, "__ftr_fixup", &size32); | ||
614 | if (start32) | ||
615 | do_feature_fixups(cur_cpu_spec->cpu_features, | ||
616 | start32, start32 + size32); | ||
617 | |||
618 | #ifdef CONFIG_PPC64 | ||
619 | start32 = find_section32(v32->hdr, "__fw_ftr_fixup", &size32); | ||
620 | if (start32) | ||
621 | do_feature_fixups(powerpc_firmware_features, | ||
622 | start32, start32 + size32); | ||
623 | #endif /* CONFIG_PPC64 */ | ||
624 | |||
625 | return 0; | ||
626 | } | ||
627 | |||
589 | static __init int vdso_fixup_alt_funcs(struct lib32_elfinfo *v32, | 628 | static __init int vdso_fixup_alt_funcs(struct lib32_elfinfo *v32, |
590 | struct lib64_elfinfo *v64) | 629 | struct lib64_elfinfo *v64) |
591 | { | 630 | { |
@@ -634,6 +673,9 @@ static __init int vdso_setup(void) | |||
634 | if (vdso_fixup_datapage(&v32, &v64)) | 673 | if (vdso_fixup_datapage(&v32, &v64)) |
635 | return -1; | 674 | return -1; |
636 | 675 | ||
676 | if (vdso_fixup_features(&v32, &v64)) | ||
677 | return -1; | ||
678 | |||
637 | if (vdso_fixup_alt_funcs(&v32, &v64)) | 679 | if (vdso_fixup_alt_funcs(&v32, &v64)) |
638 | return -1; | 680 | return -1; |
639 | 681 | ||
@@ -714,6 +756,7 @@ void __init vdso_init(void) | |||
714 | * Setup the syscall map in the vDOS | 756 | * Setup the syscall map in the vDOS |
715 | */ | 757 | */ |
716 | vdso_setup_syscall_map(); | 758 | vdso_setup_syscall_map(); |
759 | |||
717 | /* | 760 | /* |
718 | * Initialize the vDSO images in memory, that is do necessary | 761 | * Initialize the vDSO images in memory, that is do necessary |
719 | * fixups of vDSO symbols, locate trampolines, etc... | 762 | * fixups of vDSO symbols, locate trampolines, etc... |