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Groups > linux.kernel > #1210278
| From | Taku Izumi <izumi.taku@jp.fujitsu.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 0/2][RFC] Introduce "efi_fake_mem_mirror" boot option |
| Date | 2015-08-20 10:30 +0200 |
| Message-ID | <pZteO-7Cz-11@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
UEFI spec 2.5 introduces new Memory Attribute Definition named EFI_MEMORY_MORE_RELIABLE which indicates which memory ranges are mirrored. Now linux kernel can recognize which memory ranges are mirrored by handling EFI_MEMORY_MORE_RELIABLE attributes. However testing this feature necesitates boxes with UEFI spec 2.5 complied firmware. This patchset introduces new boot option named "efi_fake_mem_mirror". By specifying this parameter, you can mark specific memory as mirrored memory. This is useful for debugging of Memory Address Range Mirroring feature. Taku Izumi (2): efi: Add EFI_MEMORY_MORE_RELIABLE support to efi_md_typeattr_format() x86, efi: Add "efi_fake_mem_mirror" boot option Documentation/kernel-parameters.txt | 8 ++ arch/x86/include/asm/efi.h | 2 + arch/x86/kernel/setup.c | 4 +- arch/x86/platform/efi/efi.c | 2 +- arch/x86/platform/efi/quirks.c | 169 ++++++++++++++++++++++++++++++++++++ drivers/firmware/efi/efi.c | 6 +- 6 files changed, 187 insertions(+), 4 deletions(-) -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH 0/2][RFC] Introduce "efi_fake_mem_mirror" boot option Taku Izumi <izumi.taku@jp.fujitsu.com> - 2015-08-20 10:30 +0200
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