linux-kernel - [PATCH] efi/x86: Move mixed-mode thunk to efi/libstub

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Message-Id: <20200304183659.257828-1-nivedita@alum.mit.edu>
Date:   Wed,  4 Mar 2020 13:36:59 -0500
From:   Arvind Sankar <nivedita@...m.mit.edu>
To:     Ard Biesheuvel <ardb@...nel.org>
Cc:     linux-efi@...r.kernel.org, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] efi/x86: Move mixed-mode thunk to efi/libstub

Commit c2d0b470154c ("efi/libstub/x86: Incorporate eboot.c into
libstub") moved all the callers of the mixed-mode thunk into
efi/libstub, so move the thunk itself as well for completeness.

Signed-off-by: Arvind Sankar <nivedita@...m.mit.edu>
---
 arch/x86/boot/compressed/Makefile                                | 1 -
 drivers/firmware/efi/libstub/Makefile                            | 1 +
 .../firmware/efi/libstub/x86_64-thunk.S                          | 0
 3 files changed, 1 insertion(+), 1 deletion(-)
 rename arch/x86/boot/compressed/efi_thunk_64.S => drivers/firmware/efi/libstub/x86_64-thunk.S (100%)

diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index e51879bdc51c..047004d39a55 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -88,7 +88,6 @@ endif
 vmlinux-objs-$(CONFIG_ACPI) += $(obj)/acpi.o
 
 vmlinux-objs-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a
-vmlinux-objs-$(CONFIG_EFI_MIXED) += $(obj)/efi_thunk_$(BITS).o
 
 # The compressed kernel is built with -fPIC/-fPIE so that a boot loader
 # can place it anywhere in memory and it will still run. However, since
diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile
index 4d6246c6f651..85b66e5e5d1f 100644
--- a/drivers/firmware/efi/libstub/Makefile
+++ b/drivers/firmware/efi/libstub/Makefile
@@ -55,6 +55,7 @@ lib-$(CONFIG_EFI_ARMSTUB)	+= arm-stub.o fdt.o string.o \
 lib-$(CONFIG_ARM)		+= arm32-stub.o
 lib-$(CONFIG_ARM64)		+= arm64-stub.o
 lib-$(CONFIG_X86)		+= x86-stub.o
+lib-$(CONFIG_EFI_MIXED)		+= x86_64-thunk.o
 CFLAGS_arm32-stub.o		:= -DTEXT_OFFSET=$(TEXT_OFFSET)
 CFLAGS_arm64-stub.o		:= -DTEXT_OFFSET=$(TEXT_OFFSET)
 
diff --git a/arch/x86/boot/compressed/efi_thunk_64.S b/drivers/firmware/efi/libstub/x86_64-thunk.S
similarity index 100%
rename from arch/x86/boot/compressed/efi_thunk_64.S
rename to drivers/firmware/efi/libstub/x86_64-thunk.S
-- 
2.24.1