AuxXxilium/linux_dsm_epyc7002
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4bc9f92e64
linux_dsm_epyc7002/arch/x86
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Matt Fleming 4bc9f92e64 x86/efi-bgrt: Use efi_mem_reserve() to avoid copying image data 
efi_mem_reserve() allows us to permanently mark EFI boot services
regions as reserved, which means we no longer need to copy the image
data out and into a separate buffer.

Leaving the data in the original boot services region has the added
benefit that BGRT images can now be passed across kexec reboot.

Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Tested-by: Dave Young <dyoung@redhat.com> [kexec/kdump]
Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> [arm]
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Peter Jones <pjones@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Josh Boyer <jwboyer@fedoraproject.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Môshe van der Sterre <me@moshe.nl>
Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
2016-09-09 16:08:38 +01:00
..
boot Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2016-08-02 16:37:12 -04:00
configs kconfig: tinyconfig: provide whole choice blocks to avoid warnings 2016-09-01 17:52:01 -07:00
crypto crypto: sha512-mb - fix ctx pointer 2016-08-16 17:09:43 +08:00
entry x86/build: Reduce the W=1 warnings noise when compiling x86 syscall tables 2016-08-10 16:05:16 +02:00
events perf/x86/intel/uncore: Add enable_box for client MSR uncore 2016-08-12 08:35:05 +02:00
ia32 mm: remove more IS_ERR_VALUE abuses 2016-05-27 15:57:31 -07:00
include efi: Refactor efi_memmap_init_early() into arch-neutral code 2016-09-09 16:06:38 +01:00
kernel x86/efi: Test for EFI_MEMMAP functionality when iterating EFI memmap 2016-09-09 16:06:34 +01:00
kvm kvm: nVMX: fix nested tsc scaling 2016-08-18 12:19:09 +02:00
lguest lguest: Read offset of device_cap later 2016-06-10 11:39:09 +02:00
lib x86/mm/kaslr: Fix -Wformat-security warning 2016-08-11 10:58:12 +02:00
math-emu
mm treewide: replace config_enabled() with IS_ENABLED() (2nd round) 2016-08-26 17:39:35 -07:00
net bpf, x86: add support for constant blinding 2016-05-16 13:49:32 -04:00
oprofile x86/cpufeature: Replace cpu_has_apic with boot_cpu_has() usage 2016-04-13 11:37:41 +02:00
pci x86/PCI: VMD: Fix infinite loop executing irq's 2016-08-23 16:36:42 -05:00
platform x86/efi-bgrt: Use efi_mem_reserve() to avoid copying image data 2016-09-09 16:08:38 +01:00
power x86/power/64: Use __pa() for physical address computation 2016-08-16 00:39:37 +02:00
purgatory Add sancov plugin 2016-06-07 22:57:10 +02:00
ras x86/RAS/AMD: Reduce the number of IPIs when prepping error injection 2016-07-08 11:29:26 +02:00
realmode x86/boot: Rework reserve_real_mode() to allow multiple tries 2016-08-11 11:15:01 +02:00
tools x86/insn: Add AVX-512 support to the instruction decoder 2016-07-21 09:37:11 -03:00
um Merge branch 'for-linus-4.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml 2016-08-04 19:37:59 -04:00
video
xen xen: change the type of xen_vcpu_id to uint32_t 2016-08-24 18:17:27 +01:00
.gitignore
Kbuild
Kconfig mm/usercopy: get rid of CONFIG_DEBUG_STRICT_USER_COPY_CHECKS 2016-08-30 10:10:21 -07:00
Kconfig.cpu
Kconfig.debug
Makefile kbuild: abort build on bad stack protector flag 2016-07-26 16:19:19 -07:00
Makefile_32.cpu
Makefile.um