On Mon, 2018-03-12 at 08:32 +0100, Jiri Slaby wrote: > On 03/12/2018, 04:06 AM, Ben Hutchings wrote: > > In 3.16 the x86_32 syscall table lookup is also written in assembly. > > So I've taken Jiri's version and added similar masking in entry_32.S, > > using edx as the temporary. edx is clobbered by SAVE_REGS and seems > > to be free at this point. > > I don't know the state in 3.16, but in 3.12, I had to fix the 32bit > entry on 64bit in arch/x86/ia32/ia32entry.S (ia32_sysenter_target & > others) too. Thank you, yes I need to fix them in 3.16 too. I also failed to use retpolines there. Ben. -- Ben Hutchings The first rule of tautology club is the first rule of tautology club.
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