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Groups > linux.kernel > #1213653
| From | Taku Izumi <izumi.taku@jp.fujitsu.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 0/3] Introduce "efi_fake_mem_mirror" boot option |
| Date | 2015-08-26 10:20 +0200 |
| Message-ID | <q1DWq-8lX-3@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. v1 -> v2: - change abbreviation of EFI_MEMORY_MORE_RELIABLE from "RELY" to "MR" - add patch (2/3) for changing abbreviation of EFI_MEMORY_RUNTIME - migrate some code from arch/x86/platform/efi/quirks to drivers/firmware/efi/fake_mem.c and create config EFI_FAKE_MEMMAP Taku Izumi (3): efi: Add EFI_MEMORY_MORE_RELIABLE support to efi_md_typeattr_format() efi: Change abbreviation of EFI_MEMORY_RUNTIME from "RUN" to "RT" x86, efi: Add "efi_fake_mem_mirror" boot option Documentation/kernel-parameters.txt | 8 ++ arch/x86/include/asm/efi.h | 1 + arch/x86/kernel/setup.c | 4 +- arch/x86/platform/efi/efi.c | 2 +- drivers/firmware/efi/Kconfig | 12 +++ drivers/firmware/efi/Makefile | 1 + drivers/firmware/efi/efi.c | 8 +- drivers/firmware/efi/fake_mem.c | 204 ++++++++++++++++++++++++++++++++++++ include/linux/efi.h | 6 ++ 9 files changed, 241 insertions(+), 5 deletions(-) create mode 100644 drivers/firmware/efi/fake_mem.c -- 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 v2 0/3] Introduce "efi_fake_mem_mirror" boot option Taku Izumi <izumi.taku@jp.fujitsu.com> - 2015-08-26 10:20 +0200
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