diff mbox

[01/39] x86/asm-offsets: Move TSS_sp0 and TSS_sp1 to asm-offsets.c

Message ID 1531308586-29340-2-git-send-email-joro@8bytes.org (mailing list archive)
State New, archived
Headers show

Commit Message

Joerg Roedel July 11, 2018, 11:29 a.m. UTC
From: Joerg Roedel <jroedel@suse.de>

These offsets will be used in 32 bit assembly code as well,
so make them available for all of x86 code.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
 arch/x86/kernel/asm-offsets.c    | 4 ++++
 arch/x86/kernel/asm-offsets_64.c | 2 --
 2 files changed, 4 insertions(+), 2 deletions(-)

Comments

Andy Lutomirski July 12, 2018, 8:44 p.m. UTC | #1
> On Jul 11, 2018, at 4:29 AM, Joerg Roedel <joro@8bytes.org> wrote:
> 
> From: Joerg Roedel <jroedel@suse.de>
> 
> These offsets will be used in 32 bit assembly code as well,
> so make them available for all of x86 code.

Reviewed-by: Andy Lutomirski <luto@kernel.org>

> 
> Signed-off-by: Joerg Roedel <jroedel@suse.de>
> ---
> arch/x86/kernel/asm-offsets.c    | 4 ++++
> arch/x86/kernel/asm-offsets_64.c | 2 --
> 2 files changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/x86/kernel/asm-offsets.c b/arch/x86/kernel/asm-offsets.c
> index dcb008c..a1e1628 100644
> --- a/arch/x86/kernel/asm-offsets.c
> +++ b/arch/x86/kernel/asm-offsets.c
> @@ -103,4 +103,8 @@ void common(void) {
>    OFFSET(CPU_ENTRY_AREA_entry_trampoline, cpu_entry_area, entry_trampoline);
>    OFFSET(CPU_ENTRY_AREA_entry_stack, cpu_entry_area, entry_stack_page);
>    DEFINE(SIZEOF_entry_stack, sizeof(struct entry_stack));
> +
> +    /* Offset for sp0 and sp1 into the tss_struct */
> +    OFFSET(TSS_sp0, tss_struct, x86_tss.sp0);
> +    OFFSET(TSS_sp1, tss_struct, x86_tss.sp1);
> }
> diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c
> index b2dcd16..3b9405e 100644
> --- a/arch/x86/kernel/asm-offsets_64.c
> +++ b/arch/x86/kernel/asm-offsets_64.c
> @@ -65,8 +65,6 @@ int main(void)
> #undef ENTRY
> 
>    OFFSET(TSS_ist, tss_struct, x86_tss.ist);
> -    OFFSET(TSS_sp0, tss_struct, x86_tss.sp0);
> -    OFFSET(TSS_sp1, tss_struct, x86_tss.sp1);
>    BLANK();
> 
> #ifdef CONFIG_STACKPROTECTOR
> -- 
> 2.7.4
>
diff mbox

Patch

diff --git a/arch/x86/kernel/asm-offsets.c b/arch/x86/kernel/asm-offsets.c
index dcb008c..a1e1628 100644
--- a/arch/x86/kernel/asm-offsets.c
+++ b/arch/x86/kernel/asm-offsets.c
@@ -103,4 +103,8 @@  void common(void) {
 	OFFSET(CPU_ENTRY_AREA_entry_trampoline, cpu_entry_area, entry_trampoline);
 	OFFSET(CPU_ENTRY_AREA_entry_stack, cpu_entry_area, entry_stack_page);
 	DEFINE(SIZEOF_entry_stack, sizeof(struct entry_stack));
+
+	/* Offset for sp0 and sp1 into the tss_struct */
+	OFFSET(TSS_sp0, tss_struct, x86_tss.sp0);
+	OFFSET(TSS_sp1, tss_struct, x86_tss.sp1);
 }
diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c
index b2dcd16..3b9405e 100644
--- a/arch/x86/kernel/asm-offsets_64.c
+++ b/arch/x86/kernel/asm-offsets_64.c
@@ -65,8 +65,6 @@  int main(void)
 #undef ENTRY
 
 	OFFSET(TSS_ist, tss_struct, x86_tss.ist);
-	OFFSET(TSS_sp0, tss_struct, x86_tss.sp0);
-	OFFSET(TSS_sp1, tss_struct, x86_tss.sp1);
 	BLANK();
 
 #ifdef CONFIG_STACKPROTECTOR