Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

1 files changed, 43 insertions, 0 deletions

diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index 1a7e19cdab39..c913ad5cad29 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -36,6 +36,8 @@
 #include <asm/vdso.h>
 #include <asm/vdso_datapage.h>
 
+#include "setup.h"
+
 #undef DEBUG
 
 #ifdef DEBUG
@@ -586,6 +588,43 @@ static __init int vdso_fixup_datapage(struct lib32_elfinfo *v32,
 	return 0;
 }
 
+
+static __init int vdso_fixup_features(struct lib32_elfinfo *v32,
+				      struct lib64_elfinfo *v64)
+{
+	void *start32;
+	unsigned long size32;
+
+#ifdef CONFIG_PPC64
+	void *start64;
+	unsigned long size64;
+
+	start64 = find_section64(v64->hdr, "__ftr_fixup", &size64);
+	if (start64)
+		do_feature_fixups(cur_cpu_spec->cpu_features,
+				  start64, start64 + size64);
+
+	start64 = find_section64(v64->hdr, "__fw_ftr_fixup", &size64);
+	if (start64)
+		do_feature_fixups(powerpc_firmware_features,
+				  start64, start64 + size64);
+#endif /* CONFIG_PPC64 */
+
+	start32 = find_section32(v32->hdr, "__ftr_fixup", &size32);
+	if (start32)
+		do_feature_fixups(cur_cpu_spec->cpu_features,
+				  start32, start32 + size32);
+
+#ifdef CONFIG_PPC64
+	start32 = find_section32(v32->hdr, "__fw_ftr_fixup", &size32);
+	if (start32)
+		do_feature_fixups(powerpc_firmware_features,
+				  start32, start32 + size32);
+#endif /* CONFIG_PPC64 */
+
+	return 0;
+}
+
 static __init int vdso_fixup_alt_funcs(struct lib32_elfinfo *v32,
 				       struct lib64_elfinfo *v64)
 {
@@ -634,6 +673,9 @@ static __init int vdso_setup(void)
 	if (vdso_fixup_datapage(&v32, &v64))
 		return -1;
 
+	if (vdso_fixup_features(&v32, &v64))
+		return -1;
+
 	if (vdso_fixup_alt_funcs(&v32, &v64))
 		return -1;
 
@@ -714,6 +756,7 @@ void __init vdso_init(void)
 	 * Setup the syscall map in the vDOS
 	 */
 	vdso_setup_syscall_map();
+
 	/*
 	 * Initialize the vDSO images in memory, that is do necessary
 	 * fixups of vDSO symbols, locate trampolines, etc...