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linux/arch/x86/um
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Boqun Feng cf4c3bc144 arch: um/x86: Select ARCH_SUPPORTS_ATOMIC_RMW for UML_X86 
x86 atomic instructions are used for um on UML_X86, therefore atomics
on UML_X86 support native atomic RmW as x86 does, hence select
ARCH_SUPPORTS_ATOMIC_RMW.

Reviewed-by: FUJITA Tomonori <fujita.tomonori@gmail.com>
Acked-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Link: https://patch.msgid.link/20260106034034.60074-1-boqun.feng@gmail.com
2026-01-09 19:01:41 +08:00
..
asm um: Always set up AT_HWCAP and AT_PLATFORM 2025-11-06 13:02:34 +01:00
os-Linux um: fix SECCOMP 32bit xstate register restore 2025-06-04 11:40:36 +02:00
shared/sysdep um: move asm-offsets generation into a single file 2025-10-27 15:07:44 +01:00
vdso um: vdso: Remove getcpu support on x86 2025-10-27 16:41:53 +01:00
bugs_32.c um: Add missing headers 2024-04-22 21:46:20 +02:00
bugs_64.c um: Add missing headers 2024-04-22 21:46:20 +02:00
delay.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
fault.c um: Add missing headers 2024-04-22 21:46:20 +02:00
Kconfig arch: um/x86: Select ARCH_SUPPORTS_ATOMIC_RMW for UML_X86 2026-01-09 19:01:41 +08:00
Makefile x86/um: Drop gate area handling 2025-11-06 13:02:33 +01:00
mem_64.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ptrace.c execve updates for v6.17 2025-07-28 17:11:40 -07:00
ptrace_32.c um: switch to regset API and depend on XSTATE 2024-10-23 12:13:16 +02:00
ptrace_64.c um: switch to regset API and depend on XSTATE 2024-10-23 12:13:16 +02:00
ptrace_user.c um: get rid of pointless include "..." where include <...> will do 2012-10-09 22:28:45 +02:00
setjmp_32.S x86: Prepare asm files for straight-line-speculation 2021-12-08 12:25:37 +01:00
setjmp_64.S x86: Prepare asm files for straight-line-speculation 2021-12-08 12:25:37 +01:00
signal.c um: properly align signal stack on x86_64 2025-02-12 23:40:42 +01:00
stub_segv.c um: make stub data pages size tweakable 2023-04-20 23:08:43 +02:00
sys_call_table_32.c x86/syscall: Mark exit[_group] syscall handlers __noreturn 2024-06-28 15:23:38 +02:00
sys_call_table_64.c x86/syscall: Mark exit[_group] syscall handlers __noreturn 2024-06-28 15:23:38 +02:00
syscalls_32.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
syscalls_64.c um: Rely on PTRACE_SETREGSET to set FS/GS base registers 2024-01-05 16:28:56 +01:00
sysrq_32.c um: Remove outdated asm/sysrq.h header 2024-09-12 20:44:11 +02:00
sysrq_64.c um: Remove outdated asm/sysrq.h header 2024-09-12 20:44:11 +02:00
tls_32.c um: Stop tracking stub's PID via userspace_pid[] 2025-07-13 19:42:49 +02:00
tls_64.c um: Rely on PTRACE_SETREGSET to set FS/GS base registers 2024-01-05 16:28:56 +01:00
user-offsets.c um: switch to regset API and depend on XSTATE 2024-10-23 12:13:16 +02:00