diff options
| author | Tiwei Bie <tiwei.btw@antgroup.com> | 2025-10-27 08:18:09 +0800 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2025-10-27 16:41:15 +0100 |
| commit | 9e5a9f1c9b336871c8e76c1cefd85182c5b58541 (patch) | |
| tree | 7c8716d150f8ed5cfd146ba318d3e2b1bdcb78ee /arch/um/include/shared/longjmp.h | |
| parent | 6aaf00d14e6c80f4664932d261be7a03834f558b (diff) | |
um: Turn signals_* into thread-local variables
Turn signals_enabled, signals_pending and signals_active into
thread-local variables. This enables us to control and track
signals independently on each CPU thread. This is a preparation
for adding SMP support.
Signed-off-by: Tiwei Bie <tiwei.btw@antgroup.com>
Link: https://patch.msgid.link/20251027001815.1666872-3-tiwei.bie@linux.dev
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'arch/um/include/shared/longjmp.h')
| -rw-r--r-- | arch/um/include/shared/longjmp.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/um/include/shared/longjmp.h b/arch/um/include/shared/longjmp.h index 8863319039f3..c53e43d980c8 100644 --- a/arch/um/include/shared/longjmp.h +++ b/arch/um/include/shared/longjmp.h @@ -5,7 +5,6 @@ #include <sysdep/archsetjmp.h> #include <os.h> -extern int signals_enabled; extern int setjmp(jmp_buf); extern void longjmp(jmp_buf, int); @@ -15,7 +14,7 @@ extern void longjmp(jmp_buf, int); #define UML_SETJMP(buf) ({ \ int n, enable; \ - enable = *(volatile int *)&signals_enabled; \ + enable = um_get_signals(); \ n = setjmp(*buf); \ if(n != 0) \ um_set_signals_trace(enable); \ |