tmakin/ack-tegra
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

alpha: replace hardcoded stack offsets with autogenerated ones

Browse Source 
commit 77b823fa619f97d16409ca37ad4f7936e28c5f83 upstream.

This allows the assembly in entry.S to automatically keep in sync with
changes in the stack layout (struct pt_regs and struct switch_stack).

Cc: stable@vger.kernel.org
Tested-by: Maciej W. Rozycki <macro@orcam.me.uk>
Tested-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Maciej W. Rozycki <macro@orcam.me.uk>
Signed-off-by: Ivan Kokshaysky <ink@unseen.parts>
Signed-off-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ivan Kokshaysky
2025-02-04 23:35:22 +01:00
committed by Greg Kroah-Hartman
parent c8a52c772c
commit 80d922bc08
2 changed files with 4 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/alpha/kernel/asm-offsets.c
+4
View File
@@ -19,9 +19,13 @@ static void __used foo(void)
DEFINE(TI_STATUS, offsetof(struct thread_info, status));
BLANK();
DEFINE(SP_OFF, offsetof(struct pt_regs, ps));
DEFINE(SIZEOF_PT_REGS, sizeof(struct pt_regs));
BLANK();
DEFINE(SWITCH_STACK_SIZE, sizeof(struct switch_stack));
BLANK();
DEFINE(HAE_CACHE, offsetof(struct alpha_machine_vector, hae_cache));
DEFINE(HAE_REG, offsetof(struct alpha_machine_vector, hae_register));
}
arch/alpha/kernel/entry.S
-4
View File
@@ -15,10 +15,6 @@
.set noat
.cfi_sections .debug_frame
/* Stack offsets. */
#define SP_OFF 184
#define SWITCH_STACK_SIZE 64
.macro CFI_START_OSF_FRAME func
.align 4
.globl \func