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f5ed777586
linux/arch/x86/boot/compressed
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Martin Radev f5ed777586 x86/sev-es: Check required CPU features for SEV-ES 
Make sure the machine supports RDRAND, otherwise there is no trusted
source of randomness in the system.

To also check this in the pre-decompression stage, make has_cpuflag()
not depend on CONFIG_RANDOMIZE_BASE anymore.

Signed-off-by: Martin Radev <martin.b.radev@gmail.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Kees Cook <keescook@chromium.org>
Link: https://lkml.kernel.org/r/20200907131613.12703-73-joro@8bytes.org
2020-09-10 21:49:25 +02:00
..
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
acpi.c x86/boot: Fix -Wint-to-pointer-cast build warning 2020-05-04 15:22:16 +02:00
cmdline.c x86/boot: Build the command line parsing code unconditionally 2019-02-01 11:51:01 +01:00
cpuflags.c x86/sev-es: Check required CPU features for SEV-ES 2020-09-10 21:49:25 +02:00
early_serial_console.c x86, boot: Don't compile early_serial_console.c when !CONFIG_EARLY_PRINTK 2014-08-17 14:58:24 -07:00
efi_thunk_64.S efi/x86: Drop the special GDT for the EFI thunk 2020-05-24 00:25:15 +02:00
error.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
error.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
head_32.S x86/boot: Correct relocation destination on old linkers 2020-05-19 14:11:22 +02:00
head_64.S x86/boot/compressed/64: Call set_sev_encryption_mask() earlier 2020-09-07 19:45:25 +02:00
ident_map_64.c x86/boot/compressed/64: Unmap GHCB page before booting the kernel 2020-09-07 19:45:26 +02:00
idt_64.c x86/boot/compressed/64: Setup a GHCB-based VC Exception handler 2020-09-07 19:45:25 +02:00
idt_handlers_64.S x86/boot/compressed/64: Setup a GHCB-based VC Exception handler 2020-09-07 19:45:25 +02:00
kaslr.c x86/boot/compressed/64: Don't pre-map memory in KASLR code 2020-09-07 19:45:25 +02:00
kernel_info.S x86/boot: Introduce setup_indirect 2019-11-12 16:21:15 +01:00
Makefile x86/boot/compressed/64: Setup a GHCB-based VC Exception handler 2020-09-07 19:45:25 +02:00
mem_encrypt.S x86/asm: Change all ENTRY+ENDPROC to SYM_FUNC_* 2019-10-18 11:58:33 +02:00
misc.c x86/boot/compressed/64: Setup a GHCB-based VC Exception handler 2020-09-07 19:45:25 +02:00
misc.h x86/sev-es: Check required CPU features for SEV-ES 2020-09-10 21:49:25 +02:00
mkpiggy.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 268 2019-06-05 17:30:29 +02:00
pgtable_64.c x86/boot/compressed/64: Fix missing initialization in find_trampoline_placement() 2019-08-27 10:46:27 +02:00
pgtable.h x86/boot/compressed/64: Set EFER.LME=1 in 32-bit trampoline before returning to long mode 2019-01-29 21:58:59 +01:00
sev-es.c x86/sev-es: Check required CPU features for SEV-ES 2020-09-10 21:49:25 +02:00
string.c x86/boot: Provide KASAN compatible aliases for string routines 2019-05-24 08:44:16 +02:00
vmlinux.lds.S Misc dependency fixes, plus a documentation update about memory protection keys support. 2020-06-01 13:45:59 -07:00