github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-21 13:27:57 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

xtensa: merge stack alignment definitions

Browse Source 
xtensa currently has two different definitions for stack alignment.
Replace it with single definition usable in both C and assembly.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2022-03-19 11:06:30 -07:00
parent e85d29ba4b
commit e94dc6bbdf
3 changed files with 8 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/xtensa/include/asm/asmmacro.h
View File

@ -225,8 +225,6 @@
#endif
.endm
#define XTENSA_STACK_ALIGNMENT 16
#if defined(__XTENSA_WINDOWED_ABI__)
/* Assembly instructions for windowed kernel ABI. */

7
arch/xtensa/include/asm/core.h
View File

@ -37,4 +37,11 @@
#endif
#endif
/* Xtensa ABI requires stack alignment to be at least 16 */
#if XCHAL_DATA_WIDTH > 16
#define XTENSA_STACK_ALIGNMENT XCHAL_DATA_WIDTH
#else
#define XTENSA_STACK_ALIGNMENT 16
#endif
#endif

6
arch/xtensa/include/asm/processor.h
View File

@ -18,11 +18,7 @@
#include <asm/types.h>
#include <asm/regs.h>
/* Xtensa ABI requires stack alignment to be at least 16 */
#define STACK_ALIGN (XCHAL_DATA_WIDTH > 16 ? XCHAL_DATA_WIDTH : 16)
#define ARCH_SLAB_MINALIGN STACK_ALIGN
#define ARCH_SLAB_MINALIGN XTENSA_STACK_ALIGNMENT
/*
* User space process size: 1 GB.