diff options
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/module.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/kernel/setup_32.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/setup_64.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso.c | 10 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso32/vdso32.lds.S | 3 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso64/vdso64.lds.S | 3 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vmlinux.lds.S | 6 |
7 files changed, 34 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/module.c b/arch/powerpc/kernel/module.c index 40dd52d81c1..af07003573c 100644 --- a/arch/powerpc/kernel/module.c +++ b/arch/powerpc/kernel/module.c @@ -86,6 +86,12 @@ int module_finalize(const Elf_Ehdr *hdr, (void *)sect->sh_addr + sect->sh_size); #endif + sect = find_section(hdr, sechdrs, "__lwsync_fixup"); + if (sect != NULL) + do_lwsync_fixups(cur_cpu_spec->cpu_features, + (void *)sect->sh_addr, + (void *)sect->sh_addr + sect->sh_size); + return 0; } diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index 9e83add5429..0109e7f0ccf 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -101,6 +101,10 @@ unsigned long __init early_init(unsigned long dt_ptr) PTRRELOC(&__start___ftr_fixup), PTRRELOC(&__stop___ftr_fixup)); + do_lwsync_fixups(spec->cpu_features, + PTRRELOC(&__start___lwsync_fixup), + PTRRELOC(&__stop___lwsync_fixup)); + return KERNELBASE + offset; } diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 098fd96a394..04d8de9f0fc 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -363,6 +363,8 @@ void __init setup_system(void) &__start___ftr_fixup, &__stop___ftr_fixup); do_feature_fixups(powerpc_firmware_features, &__start___fw_ftr_fixup, &__stop___fw_ftr_fixup); + do_lwsync_fixups(cur_cpu_spec->cpu_features, + &__start___lwsync_fixup, &__stop___lwsync_fixup); /* * Unflatten the device-tree passed by prom_init or kexec diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c index ce245a850db..f177c60ea76 100644 --- a/arch/powerpc/kernel/vdso.c +++ b/arch/powerpc/kernel/vdso.c @@ -571,6 +571,11 @@ static __init int vdso_fixup_features(struct lib32_elfinfo *v32, if (start64) do_feature_fixups(powerpc_firmware_features, start64, start64 + size64); + + start64 = find_section64(v64->hdr, "__lwsync_fixup", &size64); + if (start64) + do_lwsync_fixups(cur_cpu_spec->cpu_features, + start64, start64 + size64); #endif /* CONFIG_PPC64 */ start32 = find_section32(v32->hdr, "__ftr_fixup", &size32); @@ -585,6 +590,11 @@ static __init int vdso_fixup_features(struct lib32_elfinfo *v32, start32, start32 + size32); #endif /* CONFIG_PPC64 */ + start32 = find_section32(v32->hdr, "__lwsync_fixup", &size32); + if (start32) + do_lwsync_fixups(cur_cpu_spec->cpu_features, + start32, start32 + size32); + return 0; } diff --git a/arch/powerpc/kernel/vdso32/vdso32.lds.S b/arch/powerpc/kernel/vdso32/vdso32.lds.S index 271793577cd..be3b6a41dc0 100644 --- a/arch/powerpc/kernel/vdso32/vdso32.lds.S +++ b/arch/powerpc/kernel/vdso32/vdso32.lds.S @@ -33,6 +33,9 @@ SECTIONS . = ALIGN(8); __ftr_fixup : { *(__ftr_fixup) } + . = ALIGN(8); + __lwsync_fixup : { *(__lwsync_fixup) } + #ifdef CONFIG_PPC64 . = ALIGN(8); __fw_ftr_fixup : { *(__fw_ftr_fixup) } diff --git a/arch/powerpc/kernel/vdso64/vdso64.lds.S b/arch/powerpc/kernel/vdso64/vdso64.lds.S index e608d1bd3bf..d0b2526dd38 100644 --- a/arch/powerpc/kernel/vdso64/vdso64.lds.S +++ b/arch/powerpc/kernel/vdso64/vdso64.lds.S @@ -35,6 +35,9 @@ SECTIONS __ftr_fixup : { *(__ftr_fixup) } . = ALIGN(8); + __lwsync_fixup : { *(__lwsync_fixup) } + + . = ALIGN(8); __fw_ftr_fixup : { *(__fw_ftr_fixup) } /* diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S index 3c07811989f..6856f6c1572 100644 --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -127,6 +127,12 @@ SECTIONS *(__ftr_fixup) __stop___ftr_fixup = .; } + . = ALIGN(8); + __lwsync_fixup : AT(ADDR(__lwsync_fixup) - LOAD_OFFSET) { + __start___lwsync_fixup = .; + *(__lwsync_fixup) + __stop___lwsync_fixup = .; + } #ifdef CONFIG_PPC64 . = ALIGN(8); __fw_ftr_fixup : AT(ADDR(__fw_ftr_fixup) - LOAD_OFFSET) { |