Messages in this thread | | | From | Andy Lutomirski <> | Date | Wed, 24 Jun 2015 14:18:13 -0700 | Subject | Re: [PATCH v3 09/15] x86/entry/64: Migrate 64-bit and compat syscalls to new exit hooks |
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On Tue, Jun 23, 2015 at 7:46 PM, Andy Lutomirski <luto@kernel.org> wrote: > > @@ -227,11 +227,10 @@ sysexit_from_sys_call: > testl %edi, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) > jz \exit > xorl %eax, %eax /* Do not leak kernel information */ > - movq %rax, R11(%rsp) > + jmp int_ret_from_sys_call_irqs_off > movq %rax, R10(%rsp) > movq %rax, R9(%rsp) > movq %rax, R8(%rsp) > - jmp int_with_check > .endm >
Crud. I hate code like this with no usable test (although the thing Denys is working on should catch this). There's an obvious rebase error here. :(
--Andy
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