linux/arch/xtensa
Paul E. McKenney e799bef0d9 xtensa: Emulate one-byte cmpxchg
Use the new cmpxchg_emu_u8() to emulate one-byte cmpxchg() on xtensa.

[ paulmck: Apply kernel test robot feedback. ]
[ paulmck: Drop two-byte support per Arnd Bergmann feedback. ]
[ Apply Geert Uytterhoeven feedback. ]

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Tested-by: Yujie Liu <yujie.liu@intel.com>
Cc: Andi Shyti <andi.shyti@linux.intel.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org>
2024-09-13 07:10:38 -07:00
..
boot kbuild: use $(src) instead of $(srctree)/$(src) for source directory 2024-05-10 04:34:52 +09:00
configs treewide: drop CONFIG_EMBEDDED 2023-08-21 13:46:25 -07:00
include xtensa: Emulate one-byte cmpxchg 2024-09-13 07:10:38 -07:00
kernel mseal: wire up mseal syscall 2024-05-23 19:40:26 -07:00
lib xtensa: Use PCI_HEADER_TYPE_MFD instead of literal 2023-11-29 02:07:52 -08:00
mm mm: implement update_mmu_tlb() using update_mmu_tlb_range() 2024-07-03 19:29:57 -07:00
platforms block: move the nonrot flag to queue_limits 2024-06-19 07:58:28 -06:00
variants xtensa: add test_kc705_be variant 2018-08-20 12:34:45 -07:00
Kbuild xtensa: move core-y in arch/xtensa/Makefile to arch/xtensa/Kbuild 2021-08-11 11:37:13 -07:00
Kconfig xtensa: Emulate one-byte cmpxchg 2024-09-13 07:10:38 -07:00
Kconfig.debug xtensa: dump userspace code around the exception PC 2023-06-24 06:34:27 -07:00
Makefile xtensa: don't produce FDPIC output with fdpic toolchain 2024-01-11 18:58:47 -08:00