This is a note to let you know that I've just added the patch titled init/Kconfig: fix CC_HAS_ASM_GOTO_TIED_OUTPUT test with dash to the 5.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: init-kconfig-fix-cc_has_asm_goto_tied_output-test-wi.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 7eb3aa9a64588db9916828277805729d3896ed52 Author: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> Date: Tue Nov 15 12:01:58 2022 +0100 init/Kconfig: fix CC_HAS_ASM_GOTO_TIED_OUTPUT test with dash [ Upstream commit 534bd70374d646f17e2cebe0e6e4cdd478ce4f0c ] When using dash as /bin/sh, the CC_HAS_ASM_GOTO_TIED_OUTPUT test fails with a syntax error which is not the one we are looking for: <stdin>: In function ‘foo’: <stdin>:1:29: warning: missing terminating " character <stdin>:1:29: error: missing terminating " character <stdin>:2:5: error: expected ‘:’ before ‘+’ token <stdin>:2:7: warning: missing terminating " character <stdin>:2:7: error: missing terminating " character <stdin>:2:5: error: expected declaration or statement at end of input Removing '\n' solves this. Fixes: 1aa0e8b144b6 ("Kconfig: Add option for asm goto w/ tied outputs to workaround clang-13 bug") Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> Reviewed-by: Sean Christopherson <seanjc@xxxxxxxxxx> Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/init/Kconfig b/init/Kconfig index d19ed66aba3b..a4144393717b 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -80,7 +80,7 @@ config CC_HAS_ASM_GOTO_OUTPUT config CC_HAS_ASM_GOTO_TIED_OUTPUT depends on CC_HAS_ASM_GOTO_OUTPUT # Detect buggy gcc and clang, fixed in gcc-11 clang-14. - def_bool $(success,echo 'int foo(int *x) { asm goto (".long (%l[bar]) - .\n": "+m"(*x) ::: bar); return *x; bar: return 0; }' | $CC -x c - -c -o /dev/null) + def_bool $(success,echo 'int foo(int *x) { asm goto (".long (%l[bar]) - .": "+m"(*x) ::: bar); return *x; bar: return 0; }' | $CC -x c - -c -o /dev/null) config TOOLS_SUPPORT_RELR def_bool $(success,env "CC=$(CC)" "LD=$(LD)" "NM=$(NM)" "OBJCOPY=$(OBJCOPY)" $(srctree)/scripts/tools-support-relr.sh)