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Date: Tue, 3 May 2022 12:43:17 +0200 From: Borislav Petkov <bp@...en8.de> To: Juergen Gross <jgross@...e.com> Cc: Lai Jiangshan <jiangshanlai@...il.com>, linux-kernel@...r.kernel.org, Peter Zijlstra <peterz@...radead.org>, Josh Poimboeuf <jpoimboe@...hat.com>, Andy Lutomirski <luto@...nel.org>, Thomas Gleixner <tglx@...utronix.de>, x86@...nel.org, Lai Jiangshan <jiangshan.ljs@...group.com>, Ingo Molnar <mingo@...hat.com>, Dave Hansen <dave.hansen@...ux.intel.com>, "H. Peter Anvin" <hpa@...or.com>, "Kirill A. Shutemov" <kirill@...temov.name> Subject: Re: [PATCH V6 6/8] x86/entry: Convert SWAPGS to swapgs and remove the definition of SWAPGS 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. https://people.kernel.org/tglx/notes-about-netiquette
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