Messages in this thread | | | From | Andy Lutomirski <> | Date | Wed, 14 Jan 2015 14:29:39 -0800 | Subject | Re: [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
| |