kybaaz/linux-xiaomi-chiron
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Livepatching changes for 5.18

Browse source 
-----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEESH4wyp42V4tXvYsjUqAMR0iAlPIFAmJBmMMACgkQUqAMR0iA
 lPLeXBAAnAqK3rY+mberKcFKHLaNJ0O2Y7OMcCf5Xh8snnivgi9RYcqklSbxXQwm
 hILa2oP6gUug16zhD2XVb5Mxic7MfgsN8mfy/eItMfEVs3KqUzHKSryTp6N1PA5x
 DiQvC7Fg7NGYZs95prMCrFILwVrkLYiKlWGTmlWrz/MTfOOsbAjB9yv5bfalvlo+
 A3+XpXxHfb/Wl2kXrUjTey61Rrk3gdgLhucrHVxttb9VPp1ODoLLLu4ePoN9CArA
 fpGVUfeh1IDV3sUgwpGgXBwJFBsXxJ9ZYGnJzea0opNn8EgfwgIC97qTaa+GXX/j
 bUJFPUNrGGEq99JbPgHmu+imXC1eFfCwxXK7zi6TR7mIOq6I/DfQxCLYUHZpFIMn
 mt30wm21j2zVRsOt27frhjyXCSnts7HmOleBcd8NL+aIVKaOqamEOQrmPZPj8eH2
 cx9gAphhFv6EDnr3Cj3SbpBrqf1pcxjVa9T2gfhJjtkLLyxR2ruvlRvnWNnaKJZZ
 bC7OL74h6eAhJk1pwPcHW2BsABv3jWPzBrOYkjIhRWUY77UriWNKJ27Dd83cAVkw
 7P6GbGfTbSCX7m2+0pEdKxc9hMshK2zyTLbu02PopD7yGBDkrcnkgpPGPVMDsj4c
 44ANkVlLojBAE43fXXdRPfpSKKBa0pi6MO5WXORrWiY7PNZjAAw=
 =PhGM
 -----END PGP SIGNATURE-----

Merge tag 'livepatching-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching

Pull livepatching updates from Petr Mladek:

 - Forced transitions block only to-be-removed livepatches [Chengming]

 - Detect when ftrace handler could not be disabled in self-tests [David]

 - Calm down warning from a static analyzer [Tom]

* tag 'livepatching-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/livepatching/livepatching:
  livepatch: Reorder to use before freeing a pointer
  livepatch: Don't block removal of patches that are safe to unload
  livepatch: Skip livepatch tests if ftrace cannot be configured
This commit is contained in:
Linus Torvalds 2022-03-28 14:38:31 -07:00
commit d111c9f034
5 changed files with 32 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

11
kernel/livepatch/transition.c
View file

@ -641,6 +641,13 @@ void klp_force_transition(void)
for_each_possible_cpu(cpu)
klp_update_patch_state(idle_task(cpu));
klp_for_each_patch(patch)
patch->forced = true;
/* Set forced flag for patches being removed. */
if (klp_target_state == KLP_UNPATCHED)
klp_transition_patch->forced = true;
else if (klp_transition_patch->replace) {
klp_for_each_patch(patch) {
if (patch != klp_transition_patch)
patch->forced = true;
}
}
}