Re: [PATCH V6 6/8] x86/entry: Convert SWAPGS to swapgs and remove the definition of SWAPGS

From: Borislav Petkov
Date: Tue May 03 2022 - 06:43:31 EST


On Mon, May 02, 2022 at 07:56:16PM +0200, Borislav Petkov wrote:
> Ok, simpler asm, cool, let's do it then.

Yeah, just tried it, it needs more ifdeffery:

ld: arch/x86/entry/entry_64.o:/home/boris/kernel/linux/arch/x86/entry/entry_64.S:129: undefined reference to `xenpv_restore_regs_and_return_to_usermode'
ld: arch/x86/entry/entry_64_compat.o:(.altinstr_replacement+0x1): undefined reference to `xenpv_restore_regs_and_return_to_usermode'
make: *** [Makefile:1158: vmlinux] Error 1

Oh well.

--
Regards/Gruss,
Boris.

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