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Merge tag 'arc-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

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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
This commit is contained in:
Linus Torvalds
2020-01-31 11:26:11 -08:00
parent a1084542a8 f45ba2bd6d
commit b7e573bb4a
14 changed files with 121 additions and 41 deletions
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12
arch/arc/kernel/entry.S
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@@ -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.