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x86/entry/64: Fixes for syscall rework

Andy Lutomirski lkml 1 version In review

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  1. v1 Latest3 patches 2 repliesIn review

Patches in v1 No applies recorded yet

#Subject and filesSizeRepliesApplied
1/3x86/entry/64: Fix an IRQ state error on ptregs-using syscallsarch/x86/entry/entry_64.S+13 -60 replies
2/3x86/entry/64: Fix fast-path syscall return register statearch/x86/entry/entry_64.S+3 -10 replies
3/3x86/syscalls/64: Mark sys_iopl as using ptregsarch/x86/entry/syscalls/syscall_64.tbl+1 -10 replies

Reviews trailers per patch

None of the 3 patches has a Reviewed-by or Acked-by.

PatchBorislav Petkov
SeriesReported-and-tested-by
1/3
2/3
3/3

Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.

Read the v1 thread

Cover letter [PATCH 0/3] x86/entry/64: Fixes for syscall rework

I broke iopl(2) with my syscall rework. Fix it up. While debugging it, I found a bug in my IRQ state handling. Fix that, too.

Andy Lutomirski (3):
x86/entry/64: Fix an IRQ state error on ptregs-using syscalls x86/entry/64: Fix fast-path syscall return register state x86/syscalls/64: Mark sys_iopl as using ptregs

 arch/x86/entry/entry_64.S              | 23 ++++++++++++++++-------
 arch/x86/entry/syscalls/syscall_64.tbl |  2 +-
 2 files changed, 17 insertions(+), 8 deletions(-)
Signature · 1 line
2.5.0