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SubjectRe: [PATCH 01/11] x86: entry_64.S: always allocate complete "struct pt_regs"
On Wed, Jan 14, 2015 at 2:17 PM, Denys Vlasenko
<vda.linux@googlemail.com> wrote:
> On Wed, Jan 14, 2015 at 10:48 PM, Denys Vlasenko <dvlasenk@redhat.com> wrote:
>> Macros which manipulate "struct pt_regs" on stack are reworked:
>> ALLOC_PT_GPREGS_ON_STACK allocates the structure.
>> SAVE_C_REGS saves to it those registers which are clobbered by C code.
>> SAVE_EXTRA_REGS saves to it all other registers.
>> Corresponding RESTORE_* and REMOVE_PT_GPREGS_FROM_STACK macros reverse it.
>
> Andy,
>
> Please note that this patch set also needs the previously posted patch:
>
> [PATCH 3/4] x86: open-code register save/restore in trace_hardirqs thunks
>
> which is not present in your tree - otherwise arch/x86/lib/thunk_64.S
> will not compile (no SAVE_ARGS anymore).

I need to go through Linus' and everyone else's comments on that to
figure out what to do first.

--Andy

>
> --
> vda



--
Andy Lutomirski
AMA Capital Management, LLC


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