| Subject | Re: [PATCH 3.16 56/76] x86/syscall: Sanitize syscall table de-references under speculation | From | Jiri Slaby <> | Date | Mon, 12 Mar 2018 08:32:12 +0100 |
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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.
thanks, -- js suse labs
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