diff options
| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2018-11-16 10:10:27 -0600 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-11-16 10:10:27 -0600 |
| commit | 50d25bdc64318a8a367c4433fa1e030c38331f05 (patch) | |
| tree | eb191d2950ae55da3855254c04db65d62757f4d5 /arch/xtensa/include/asm/processor.h | |
| parent | Merge tag 'for-linus-20181115' of git://git.kernel.dk/linux-block (diff) | |
| parent | xtensa: fix boot parameters address translation (diff) | |
| download | linux-dev-50d25bdc64318a8a367c4433fa1e030c38331f05.tar.xz linux-dev-50d25bdc64318a8a367c4433fa1e030c38331f05.zip | |
Merge tag 'xtensa-20181115' of git://github.com/jcmvbkbc/linux-xtensa
Pull Xtensa fixes from Max Filippov:
- fix stack alignment for bFLT binaries.
- fix physical-to-virtual address translation for boot parameters in
MMUv3 256+256 and 512+512 virtual memory layouts.
* tag 'xtensa-20181115' of git://github.com/jcmvbkbc/linux-xtensa:
xtensa: fix boot parameters address translation
xtensa: make sure bFLT stack is 16 byte aligned
Diffstat (limited to 'arch/xtensa/include/asm/processor.h')
| -rw-r--r-- | arch/xtensa/include/asm/processor.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/xtensa/include/asm/processor.h b/arch/xtensa/include/asm/processor.h index be9bfd9aa865..34a23016dd14 100644 --- a/arch/xtensa/include/asm/processor.h +++ b/arch/xtensa/include/asm/processor.h @@ -23,7 +23,11 @@ # error Linux requires the Xtensa Windowed Registers Option. #endif -#define ARCH_SLAB_MINALIGN XCHAL_DATA_WIDTH +/* 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 /* * User space process size: 1 GB. |