summary refs log tree commit diff
path: root/arch/x86
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2014-09-24 16:48:32 -0400
committerDavid S. Miller <davem@davemloft.net>2014-09-24 16:48:32 -0400
commit4daaab4f0c2b55adccab08da06e17acc270cb84a (patch)
tree41dfea3867755d3853218d50533c5600ac8fa6c0 /arch/x86
parent3c4d1daecef875d28bdbe93587908c897c29ba71 (diff)
parentb94d525e58dc9638dd3f98094cb468bcfb262039 (diff)
downloadlinux-4daaab4f0c2b55adccab08da06e17acc270cb84a.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/boot/compressed/head_32.S54
-rw-r--r--arch/x86/boot/compressed/head_64.S56
-rw-r--r--arch/x86/crypto/aesni-intel_glue.c4
3 files changed, 31 insertions, 83 deletions
diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S
index d6b8aa4c986c..cbed1407a5cd 100644
--- a/arch/x86/boot/compressed/head_32.S
+++ b/arch/x86/boot/compressed/head_32.S
@@ -30,33 +30,6 @@
 #include <asm/boot.h>
 #include <asm/asm-offsets.h>
 
-/*
- * Adjust our own GOT
- *
- * The relocation base must be in %ebx
- *
- * It is safe to call this macro more than once, because in some of the
- * code paths multiple invocations are inevitable, e.g. via the efi*
- * entry points.
- *
- * Relocation is only performed the first time.
- */
-.macro FIXUP_GOT
-	cmpb	$1, got_fixed(%ebx)
-	je	2f
-
-	leal	_got(%ebx), %edx
-	leal	_egot(%ebx), %ecx
-1:
-	cmpl	%ecx, %edx
-	jae	2f
-	addl	%ebx, (%edx)
-	addl	$4, %edx
-	jmp	1b
-2:
-	movb	$1, got_fixed(%ebx)
-.endm
-
 	__HEAD
 ENTRY(startup_32)
 #ifdef CONFIG_EFI_STUB
@@ -83,9 +56,6 @@ ENTRY(efi_pe_entry)
 	add	%esi, 88(%eax)
 	pushl	%eax
 
-	movl	%esi, %ebx
-	FIXUP_GOT
-
 	call	make_boot_params
 	cmpl	$0, %eax
 	je	fail
@@ -111,10 +81,6 @@ ENTRY(efi32_stub_entry)
 	leal	efi32_config(%esi), %eax
 	add	%esi, 88(%eax)
 	pushl	%eax
-
-	movl	%esi, %ebx
-	FIXUP_GOT
-
 2:
 	call	efi_main
 	cmpl	$0, %eax
@@ -224,7 +190,19 @@ relocated:
 	shrl	$2, %ecx
 	rep	stosl
 
-	FIXUP_GOT
+/*
+ * Adjust our own GOT
+ */
+	leal	_got(%ebx), %edx
+	leal	_egot(%ebx), %ecx
+1:
+	cmpl	%ecx, %edx
+	jae	2f
+	addl	%ebx, (%edx)
+	addl	$4, %edx
+	jmp	1b
+2:
+
 /*
  * Do the decompression, and jump to the new kernel..
  */
@@ -247,12 +225,8 @@ relocated:
 	xorl	%ebx, %ebx
 	jmp	*%eax
 
-	.data
-/* Have we relocated the GOT? */
-got_fixed:
-	.byte 0
-
 #ifdef CONFIG_EFI_STUB
+	.data
 efi32_config:
 	.fill 11,8,0
 	.long efi_call_phys
diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S
index 50f69c7eaaf4..2884e0c3e8a5 100644
--- a/arch/x86/boot/compressed/head_64.S
+++ b/arch/x86/boot/compressed/head_64.S
@@ -32,33 +32,6 @@
 #include <asm/processor-flags.h>
 #include <asm/asm-offsets.h>
 
-/*
- * Adjust our own GOT
- *
- * The relocation base must be in %rbx
- *
- * It is safe to call this macro more than once, because in some of the
- * code paths multiple invocations are inevitable, e.g. via the efi*
- * entry points.
- *
- * Relocation is only performed the first time.
- */
-.macro FIXUP_GOT
-	cmpb	$1, got_fixed(%rip)
-	je	2f
-
-	leaq	_got(%rip), %rdx
-	leaq	_egot(%rip), %rcx
-1:
-	cmpq	%rcx, %rdx
-	jae	2f
-	addq	%rbx, (%rdx)
-	addq	$8, %rdx
-	jmp	1b
-2:
-	movb	$1, got_fixed(%rip)
-.endm
-
 	__HEAD
 	.code32
 ENTRY(startup_32)
@@ -279,13 +252,10 @@ ENTRY(efi_pe_entry)
 	subq	$1b, %rbp
 
 	/*
-	 * Relocate efi_config->call() and the GOT entries.
+	 * Relocate efi_config->call().
 	 */
 	addq	%rbp, efi64_config+88(%rip)
 
-	movq	%rbp, %rbx
-	FIXUP_GOT
-
 	movq	%rax, %rdi
 	call	make_boot_params
 	cmpq	$0,%rax
@@ -301,13 +271,10 @@ handover_entry:
 	subq	$1b, %rbp
 
 	/*
-	 * Relocate efi_config->call() and the GOT entries.
+	 * Relocate efi_config->call().
 	 */
 	movq	efi_config(%rip), %rax
 	addq	%rbp, 88(%rax)
-
-	movq	%rbp, %rbx
-	FIXUP_GOT
 2:
 	movq	efi_config(%rip), %rdi
 	call	efi_main
@@ -418,8 +385,19 @@ relocated:
 	shrq	$3, %rcx
 	rep	stosq
 
-	FIXUP_GOT
-
+/*
+ * Adjust our own GOT
+ */
+	leaq	_got(%rip), %rdx
+	leaq	_egot(%rip), %rcx
+1:
+	cmpq	%rcx, %rdx
+	jae	2f
+	addq	%rbx, (%rdx)
+	addq	$8, %rdx
+	jmp	1b
+2:
+	
 /*
  * Do the decompression, and jump to the new kernel..
  */
@@ -459,10 +437,6 @@ gdt:
 	.quad   0x0000000000000000	/* TS continued */
 gdt_end:
 
-/* Have we relocated the GOT? */
-got_fixed:
-	.byte	0
-
 #ifdef CONFIG_EFI_STUB
 efi_config:
 	.quad	0
diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c
index 888950f29fd9..a7ccd57f19e4 100644
--- a/arch/x86/crypto/aesni-intel_glue.c
+++ b/arch/x86/crypto/aesni-intel_glue.c
@@ -481,7 +481,7 @@ static void ctr_crypt_final(struct crypto_aes_ctx *ctx,
 	crypto_inc(ctrblk, AES_BLOCK_SIZE);
 }
 
-#ifdef CONFIG_AS_AVX
+#if 0	/* temporary disabled due to failing crypto tests */
 static void aesni_ctr_enc_avx_tfm(struct crypto_aes_ctx *ctx, u8 *out,
 			      const u8 *in, unsigned int len, u8 *iv)
 {
@@ -1522,7 +1522,7 @@ static int __init aesni_init(void)
 		aesni_gcm_dec_tfm = aesni_gcm_dec;
 	}
 	aesni_ctr_enc_tfm = aesni_ctr_enc;
-#ifdef CONFIG_AS_AVX
+#if 0	/* temporary disabled due to failing crypto tests */
 	if (cpu_has_avx) {
 		/* optimize performance of ctr mode encryption transform */
 		aesni_ctr_enc_tfm = aesni_ctr_enc_avx_tfm;