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| author | Peter Zijlstra <peterz@infradead.org> | 2022-08-22 13:18:18 +0200 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-09-07 21:53:48 +0200 |
| commit | 1fbcaa923ce2d7e6de17abd74fa076dc1e0be1a2 (patch) | |
| tree | f6b83d9a4edbd1c8cdc2ba1b48635fa2096a2eb6 /include/linux/umh.h | |
| parent | 5950e5d574c636a07dd21a872c2f8b41f6d20c55 (diff) | |
| download | linux-stable-1fbcaa923ce2d7e6de17abd74fa076dc1e0be1a2.tar.gz linux-stable-1fbcaa923ce2d7e6de17abd74fa076dc1e0be1a2.tar.bz2 linux-stable-1fbcaa923ce2d7e6de17abd74fa076dc1e0be1a2.zip | |
freezer,umh: Clean up freezer/initrd interaction
handle_initrd() marks itself as PF_FREEZER_SKIP in order to ensure
that the UMH, which is going to freeze the system, doesn't
indefinitely wait for it's caller.
Rework things by adding UMH_FREEZABLE to indicate the completion is
freezable.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/20220822114648.791019324@infradead.org
Diffstat (limited to 'include/linux/umh.h')
| -rw-r--r-- | include/linux/umh.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/include/linux/umh.h b/include/linux/umh.h index 244aff638220..5d1f6129b847 100644 --- a/include/linux/umh.h +++ b/include/linux/umh.h @@ -11,10 +11,11 @@ struct cred; struct file; -#define UMH_NO_WAIT 0 /* don't wait at all */ -#define UMH_WAIT_EXEC 1 /* wait for the exec, but not the process */ -#define UMH_WAIT_PROC 2 /* wait for the process to complete */ -#define UMH_KILLABLE 4 /* wait for EXEC/PROC killable */ +#define UMH_NO_WAIT 0x00 /* don't wait at all */ +#define UMH_WAIT_EXEC 0x01 /* wait for the exec, but not the process */ +#define UMH_WAIT_PROC 0x02 /* wait for the process to complete */ +#define UMH_KILLABLE 0x04 /* wait for EXEC/PROC killable */ +#define UMH_FREEZABLE 0x08 /* wait for EXEC/PROC freezable */ struct subprocess_info { struct work_struct work; |