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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-01-31 11:26:11 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-01-31 11:26:11 -0800 |
| commit | b7e573bb4a7a511741f8942b1fb03cfe602ee57f (patch) | |
| tree | eba521c86b1e430bae7e2cdd88874198437017b9 /arch/arc/kernel/entry.S | |
| parent | a1084542a8e83b8eb5aaf7e8ccb81b461e7d4ce8 (diff) | |
| parent | f45ba2bd6da0dc8000aa7ea7a3858fb51608f766 (diff) | |
Merge tag 'arc-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC updates from Vineet Gupta:
- Wire up clone3 syscall
- ARCv2 FPU state save/restore across context switch
- AXS10x platform and misc fixes
* tag 'arc-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARCv2: fpu: preserve userspace fpu state
ARC: fpu: declutter code, move bits out into fpu.h
ARC: wireup clone3 syscall
ARC: [plat-axs10x]: Add missing multicast filter number to GMAC node
ARC: update feature support for jump-labels
Diffstat (limited to 'arch/arc/kernel/entry.S')
| -rw-r--r-- | arch/arc/kernel/entry.S | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S index 1f6bb184a44d..60406ec62eb8 100644 --- a/arch/arc/kernel/entry.S +++ b/arch/arc/kernel/entry.S @@ -35,6 +35,18 @@ ENTRY(sys_clone_wrapper) b .Lret_from_system_call END(sys_clone_wrapper) +ENTRY(sys_clone3_wrapper) + SAVE_CALLEE_SAVED_USER + bl @sys_clone3 + DISCARD_CALLEE_SAVED_USER + + GET_CURR_THR_INFO_FLAGS r10 + btst r10, TIF_SYSCALL_TRACE + bnz tracesys_exit + + b .Lret_from_system_call +END(sys_clone3_wrapper) + ENTRY(ret_from_fork) ; when the forked child comes here from the __switch_to function ; r0 has the last task pointer. |