dummy/linux-stable-mirror
1
0
Fork 1
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ synced 2025-04-19 20:58:31 +09:00
Code Issues Packages Projects Releases Wiki Activity

Miscellaneous scheduler fixes/updates:

Browse Source 
- Fix a nonsensical Kconfig combination
  - Remove an unnecessary rseq-notification
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
 -----BEGIN PGP SIGNATURE-----
 
 iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmfysY8RHG1pbmdvQGtl
 cm5lbC5vcmcACgkQEnMQ0APhK1gftQ//Sy6HJRQhC/xxLuv8N8f9bEzju5fSgEaK
 2Cg5aKmKyf6IECIAMilB3snAM4h1X1ajnGbxx98sERuDTjkjKawLD17hC5riYxyr
 fReDy6VkdNw/yALK/QcodJZHPWBbYeVT3uVO9qQSnMq6q8IJrOkM0rZwOYawo2FJ
 ID7xWUGhPTatuqm2TM4r4yzwXrPq5fHllrWEsc4LlhtXYRJmzeOGbLh63vUgUFZO
 iu0uM7qt93GoVZqPsw5fliuFE+m4Ug8fPY+hBtXZlUn/npQpR9dP3+hccXIsslCq
 H00pmnqiE5nyDo8zsOG3rzO4gml6k4JQGUWkcmzVq56n02N6naC4KTGZS79aCpaV
 7KwInYW2fzwYcd6UEVHlRqeJK/XFTcL+fDfFWSEp5T/3keeCnwilZDRAHPAgW6ot
 GxAUPT8P8qlnGhXSOMoOoJND3KChelQQzJBQc/j5EToqYCNLytqzWnPgXbzwN/Za
 ZWhlL2T39n3ykEQarlm0MOL35n/0CF27Q5dKOLeaS6OA7K1wYHOQYuCf09zRpKrv
 aaKiKhir4RyYLsfUIJD9cSO68AZQGAwXZGEyM23eErjcA/ZNHrew4TGFM3Tzwj2Q
 /7wHpWfRhhcP7igGrOoJ+YDOCvrfUSgegRYx8hgucuWmFFI1h1mrmfWy8lyPihtm
 pPy9jAwjElI=
 =n5lA
 -----END PGP SIGNATURE-----

Merge tag 'sched-urgent-2025-04-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler fixes from Ingo Molnar:

 - Fix a nonsensical Kconfig combination

 - Remove an unnecessary rseq-notification

* tag 'sched-urgent-2025-04-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  rseq: Eliminate useless task_work on execve
  sched/isolation: Make CONFIG_CPU_ISOLATION depend on CONFIG_SMP
This commit is contained in:
Linus Torvalds 2025-04-06 10:44:58 -07:00
commit 302deb109d
3 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
fs/exec.c
View File

@ -1864,9 +1864,9 @@ static int bprm_execve(struct linux_binprm *bprm)
goto out;
sched_mm_cid_after_execve(current);
rseq_execve(current);
/* execve succeeded */
current->in_execve = 0;
rseq_execve(current);
user_events_execve(current);
acct_update_integrals(current);
task_numa_free(current, false);
@ -1883,6 +1883,7 @@ out:
force_fatal_sig(SIGSEGV);
sched_mm_cid_after_execve(current);
rseq_set_notify_resume(current);
current->in_execve = 0;
return retval;

2
init/Kconfig
View File

@ -714,7 +714,7 @@ endmenu # "CPU/Task time and stats accounting"
config CPU_ISOLATION
bool "CPU isolation"
depends on SMP || COMPILE_TEST
depends on SMP
default y
help
Make sure that CPUs running critical tasks are not disturbed by

1
kernel/sched/core.c
View File

@ -10703,7 +10703,6 @@ void sched_mm_cid_after_execve(struct task_struct *t)
smp_mb();
t->last_mm_cid = t->mm_cid = mm_cid_get(rq, t, mm);
}
rseq_set_notify_resume(t);
}
void sched_mm_cid_fork(struct task_struct *t)