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Subject[PATCH] arm64/efi: Make strrchr() available to the EFI namespace
Date
libfdt gained a new dependency on strrchr, so make it available to the
EFI namespace before we update libfdt.

Thanks to Ard for providing this fix.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
---
Please ack. This is a dependency on a dtc upstream sync.

arch/arm64/kernel/image.h | 1 +
arch/arm64/lib/strrchr.S | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/kernel/image.h b/arch/arm64/kernel/image.h
index c7fcb232fe47..a820ed07fb80 100644
--- a/arch/arm64/kernel/image.h
+++ b/arch/arm64/kernel/image.h
@@ -103,6 +103,7 @@ __efistub_strlen = KALLSYMS_HIDE(__pi_strlen);
__efistub_strnlen = KALLSYMS_HIDE(__pi_strnlen);
__efistub_strcmp = KALLSYMS_HIDE(__pi_strcmp);
__efistub_strncmp = KALLSYMS_HIDE(__pi_strncmp);
+__efistub_strrchr = KALLSYMS_HIDE(__pi_strrchr);
__efistub___flush_dcache_area = KALLSYMS_HIDE(__pi___flush_dcache_area);

#ifdef CONFIG_KASAN
diff --git a/arch/arm64/lib/strrchr.S b/arch/arm64/lib/strrchr.S
index 61eabd9a289a..f8e2784d5752 100644
--- a/arch/arm64/lib/strrchr.S
+++ b/arch/arm64/lib/strrchr.S
@@ -40,4 +40,4 @@ ENTRY(strrchr)
b 1b
2: mov x0, x3
ret
-ENDPROC(strrchr)
+ENDPIPROC(strrchr)
--
2.14.1
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