[PATCH v4 3/3] arm64/efi: isolate EFI stub from the kernel proper
From: Matt Fleming <hidden>
Date: 2015-11-02 12:49:52
Also in:
linux-efi
On Tue, 27 Oct, at 11:20:51AM, Ard Biesheuvel wrote:
quoted hunk ↗ jump to hunk
From 1179099f89db54294f419493d152083fb8e5af3d Mon Sep 17 00:00:00 2001 From: Ard Biesheuvel <redacted> Date: Tue, 27 Oct 2015 11:12:51 +0900 Subject: [PATCH] arm64/efi: fix libstub build under CONFIG_MODVERSIONS Now that we strictly forbid absolute relocations in libstub code, make sure that we don't emit any when CONFIG_MODVERSIONS is enabled, by stripping the kcrctab sections from the object file. This fixes a build problem under CONFIG_MODVERSIONS=y. Signed-off-by: Ard Biesheuvel <redacted> --- drivers/firmware/efi/libstub/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)diff --git a/drivers/firmware/efi/libstub/Makefileb/drivers/firmware/efi/libstub/Makefile index bca9a76cbd33..acc25d7c5da2 100644--- a/drivers/firmware/efi/libstub/Makefile +++ b/drivers/firmware/efi/libstub/Makefile@@ -51,7 +51,7 @@ lib-$(CONFIG_EFI_ARMSTUB) += arm-stub.o fdt.o string.o \ extra-$(CONFIG_EFI_ARMSTUB) := $(lib-y) lib-$(CONFIG_EFI_ARMSTUB) := $(patsubst %.o,%.stub.o,$(lib-y)) -STUBCOPY_FLAGS-y := -R .debug* -R *ksymtab* +STUBCOPY_FLAGS-y := -R .debug* -R *ksymtab* -R *kcrctab* STUBCOPY_FLAGS-$(CONFIG_ARM64) += --prefix-alloc-sections=.init \ --prefix-symbols=__efistub_ STUBCOPY_RELOC-$(CONFIG_ARM64) := R_AARCH64_ABS
I *think* this should be OK. Reviewed-by: Matt Fleming <redacted>