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Date: Tue, 20 Sep 2022 16:55:54 +0200 From: Ard Biesheuvel <ardb@...nel.org> To: linux-kernel@...r.kernel.org Cc: linux-efi@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, Dave Hansen <dave.hansen@...ux.intel.com>, Michael Roth <michael.roth@....com> Subject: Re: [PATCH 0/6] x86: head_64.S spring cleaning On Mon, 15 Aug 2022 at 15:42, Ard Biesheuvel <ardb@...nel.org> wrote: > > After doing some cleanup work on the EFI code in head_64.S, the mixed > mode code in particular, I noticed that the memory encryption pieces > could use some attention as well, so I cleaned that up too. > > I have been sitting on these patches since November, waiting for the > right time to post them, i.e., after the SEV/SNP review had finished. > This has yet to happen, so I'm posting them now instead. Please feel > free to disregard for the time being, and propose a suitable timeframe > to repost them if this is likely to conflict with ongoing work. > Ping? > Cc: Thomas Gleixner <tglx@...utronix.de> > Cc: Ingo Molnar <mingo@...hat.com> > Cc: Borislav Petkov <bp@...en8.de> > Cc: Dave Hansen <dave.hansen@...ux.intel.com> > Cc: Michael Roth <michael.roth@....com> > > Ard Biesheuvel (6): > x86/head_64: clean up mixed mode 32-bit entry code > efi/x86: simplify IDT/GDT preserve/restore > x86/compressed: move startup32_load_idt() out of startup code > x86/compressed: move startup32_check_sev_cbit out of startup code > x86/compressed: adhere to calling convention in > get_sev_encryption_bit() > x86/compressed: only build mem_encrypt.S if AMD_MEM_ENCRYPT=y > > arch/x86/boot/compressed/Makefile | 8 +- > arch/x86/boot/compressed/efi_mixed.S | 352 ++++++++++++++++++++ > arch/x86/boot/compressed/efi_thunk_64.S | 195 ----------- > arch/x86/boot/compressed/head_32.S | 4 - > arch/x86/boot/compressed/head_64.S | 309 +---------------- > arch/x86/boot/compressed/mem_encrypt.S | 146 +++++++- > drivers/firmware/efi/libstub/x86-stub.c | 3 +- > 7 files changed, 506 insertions(+), 511 deletions(-) > create mode 100644 arch/x86/boot/compressed/efi_mixed.S > delete mode 100644 arch/x86/boot/compressed/efi_thunk_64.S > > -- > 2.35.1 >
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