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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-14 17:17:34 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-14 17:17:34 -0700 |
| commit | f2772a0e4833d1af1901b6f1a38136fb71d1350c (patch) | |
| tree | 28bf6f0944d745e19947273022224ebc6b2d07c8 /arch/um/include/asm | |
| parent | Merge tag 'stream_open-5.3' of https://lab.nexedi.com/kirr/linux (diff) | |
| parent | um: fix build without CONFIG_UML_TIME_TRAVEL_SUPPORT (diff) | |
| download | linux-dev-f2772a0e4833d1af1901b6f1a38136fb71d1350c.tar.xz linux-dev-f2772a0e4833d1af1901b6f1a38136fb71d1350c.zip | |
Merge tag 'for-linus-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml
Pull UML updates from Richard Weinberger:
- A new timer mode, time travel, for testing with UML
- Many bugixes/improvements for the serial line driver
- Various bugfixes
* tag 'for-linus-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml:
um: fix build without CONFIG_UML_TIME_TRAVEL_SUPPORT
um: Fix kcov crash during startup
um: configs: Remove useless UEVENT_HELPER_PATH
um: Support time travel mode
um: Pass nsecs to os timer functions
um: Remove drivers/ssl.h
um: Don't garbage collect in deactivate_all_fds()
um: Silence lockdep complaint about mmap_sem
um: Remove locking in deactivate_all_fds()
um: Timer code cleanup
um: fix os_timer_one_shot()
um: Fix IRQ controller regression on console read
Diffstat (limited to 'arch/um/include/asm')
| -rw-r--r-- | arch/um/include/asm/mmu_context.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/um/include/asm/mmu_context.h b/arch/um/include/asm/mmu_context.h index 9f4b4bb78120..00cefd33afdd 100644 --- a/arch/um/include/asm/mmu_context.h +++ b/arch/um/include/asm/mmu_context.h @@ -52,7 +52,7 @@ static inline void activate_mm(struct mm_struct *old, struct mm_struct *new) * when the new ->mm is used for the first time. */ __switch_mm(&new->context.id); - down_write(&new->mmap_sem); + down_write_nested(&new->mmap_sem, 1); uml_setup_stubs(new); up_write(&new->mmap_sem); } |