From: matt@codeblueprint•co.uk (Matt Fleming)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v4 3/3] arm64/efi: isolate EFI stub from the kernel proper
Date: Mon, 2 Nov 2015 12:49:52 +0000 [thread overview]
Message-ID: <20151102121618.GA2331@codeblueprint.co.uk> (raw)
In-Reply-To: <CAKv+Gu-G1YS9Ha=-rtnPKJTOxBTrdSq6=Tqwq_GPW742JUE+2Q@mail.gmail.com>
On Tue, 27 Oct, at 11:20:51AM, Ard Biesheuvel wrote:
> From 1179099f89db54294f419493d152083fb8e5af3d Mon Sep 17 00:00:00 2001
> From: Ard Biesheuvel <ard.biesheuvel@linaro•org>
> 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 <ard.biesheuvel@linaro•org>
> ---
> drivers/firmware/efi/libstub/Makefile | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/firmware/efi/libstub/Makefile
> b/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 <matt@codeblueprint•co.uk>
next prev parent reply other threads:[~2015-11-02 12:49 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-08 19:02 [PATCH v4 0/3] arm64: EFI stub isolation Ard Biesheuvel
2015-10-08 19:02 ` [PATCH v4 1/3] arm64/efi: remove /chosen/linux, uefi-stub-kern-ver DT property Ard Biesheuvel
2015-10-10 22:31 ` [PATCH v4 1/3] arm64/efi: remove /chosen/linux,uefi-stub-kern-ver " Matt Fleming
2015-10-08 19:02 ` [PATCH v4 2/3] arm64: use ENDPIPROC() to annotate position independent assembler routines Ard Biesheuvel
2015-10-08 19:02 ` [PATCH v4 3/3] arm64/efi: isolate EFI stub from the kernel proper Ard Biesheuvel
2015-10-09 8:12 ` Andrey Ryabinin
2015-10-09 9:10 ` Will Deacon
2015-10-09 9:40 ` Andrey Ryabinin
2015-10-09 9:43 ` Will Deacon
2015-10-09 9:48 ` Andrey Ryabinin
2015-10-10 22:40 ` Matt Fleming
2015-10-26 22:26 ` Jeremy Linton
2015-10-26 22:33 ` Jeremy Linton
2015-10-27 2:20 ` Ard Biesheuvel
2015-10-27 14:44 ` Jeremy Linton
2015-10-30 12:17 ` Ard Biesheuvel
2015-10-30 14:35 ` Mark Rutland
2015-10-30 16:01 ` Catalin Marinas
2015-11-02 12:49 ` Matt Fleming [this message]
2015-11-24 9:34 ` Robert Richter
2015-11-24 9:38 ` Ard Biesheuvel
2015-10-10 22:40 ` [PATCH v4 0/3] arm64: EFI stub isolation Matt Fleming
2015-10-12 15:30 ` Catalin Marinas
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