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authorClement Courbet <courbet@google.com>2020-03-30 10:03:56 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2020-04-01 14:30:51 +1100
commitc17eb4dca5a353a9dbbb8ad6934fe57af7165e91 (patch)
tree48c53baee0dce0a32bf5562565eb539373372a59 /arch/powerpc/xmon
parent41b8426fdb59218f56a6e3b3facd43a82816e3eb (diff)
powerpc: Make setjmp/longjmp signature standard
Declaring setjmp()/longjmp() as taking longs makes the signature non-standard, and makes clang complain. In the past, this has been worked around by adding -ffreestanding to the compile flags. The implementation looks like it only ever propagates the value (in longjmp) or sets it to 1 (in setjmp), and we only call longjmp with integer parameters. This allows removing -ffreestanding from the compilation flags. Fixes: c9029ef9c957 ("powerpc: Avoid clang warnings around setjmp and longjmp") Cc: stable@vger.kernel.org # v4.14+ Signed-off-by: Clement Courbet <courbet@google.com> Reviewed-by: Nathan Chancellor <natechancellor@gmail.com> Tested-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200330080400.124803-1-courbet@google.com
Diffstat (limited to 'arch/powerpc/xmon')
-rw-r--r--arch/powerpc/xmon/Makefile3
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/powerpc/xmon/Makefile b/arch/powerpc/xmon/Makefile
index c3842dbeb1b7..6f9cccea54f3 100644
--- a/arch/powerpc/xmon/Makefile
+++ b/arch/powerpc/xmon/Makefile
@@ -1,9 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
# Makefile for xmon
-# Avoid clang warnings around longjmp/setjmp declarations
-subdir-ccflags-y := -ffreestanding
-
GCOV_PROFILE := n
KCOV_INSTRUMENT := n
UBSAN_SANITIZE := n