AuxXxilium/linux_dsm_epyc7002
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0679715e71
linux_dsm_epyc7002/arch/x86/boot/compressed
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Ard Biesheuvel 0679715e71 efi/libstub/x86: Avoid globals to store context during mixed mode calls 
Instead of storing the return address in a global variable when calling
a 32-bit EFI service from the 64-bit stub, avoid the indirection via
efi_exit32, and take the return address from the stack.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Cc: Arvind Sankar <nivedita@alum.mit.edu>
Cc: Borislav Petkov <bp@alien8.de>
Cc: James Morse <james.morse@arm.com>
Cc: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-efi@vger.kernel.org
Link: https://lkml.kernel.org/r/20191224151025.32482-26-ardb@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2019-12-25 10:49:26 +01:00
..
.gitignore x86, boot: add new generated files to the appropriate .gitignore files 2009-06-02 21:13:30 -07:00
acpi.c x86/boot/acpi: Move get_cmdline_acpi_rsdp() under #ifdef guard 2019-10-18 13:33:38 +02:00
cmdline.c x86/boot: Build the command line parsing code unconditionally 2019-02-01 11:51:01 +01:00
cpuflags.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
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
eboot.c efi/libstub: Rename efi_call_early/_runtime macros to be more intuitive 2019-12-25 10:49:25 +01:00
eboot.h efi/libstub: Annotate firmware routines as __efiapi 2019-12-25 10:49:19 +01:00
efi_thunk_64.S efi/libstub/x86: Avoid globals to store context during mixed mode calls 2019-12-25 10:49:26 +01:00
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 efi/libstub/x86: Drop __efi_early() export and efi_config struct 2019-12-25 10:49:22 +01:00
head_64.S efi/libstub/x86: Drop __efi_early() export and efi_config struct 2019-12-25 10:49:22 +01:00
kaslr_64.c x86/mm: Decouple dynamic __PHYSICAL_MASK from AMD SME 2018-06-06 13:38:01 +02:00
kaslr.c ACPI updates for 5.5-rc1 2019-11-26 19:25:25 -08:00
kernel_info.S x86/boot: Introduce setup_indirect 2019-11-12 16:21:15 +01:00
Makefile efi/libstub/x86: Avoid thunking for native firmware calls 2019-12-25 10:49:20 +01:00
mem_encrypt.S x86/asm: Change all ENTRY+ENDPROC to SYM_FUNC_* 2019-10-18 11:58:33 +02:00
misc.c x86/boot/64: Round memory hole size up to next PMD page 2019-10-11 18:47:23 +02:00
misc.h x86, boot: Remove multiple copy of static function sanitize_boot_params() 2019-07-18 21:41:57 +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
string.c x86/boot: Provide KASAN compatible aliases for string routines 2019-05-24 08:44:16 +02:00
vmlinux.lds.S x86/build: Use the single-argument OUTPUT_FORMAT() linker script command 2019-01-16 12:21:53 +01:00