Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

[sfrench/cifs-2.6.git] / init / Kconfig

diff --git a/init/Kconfig b/init/Kconfig
index 9300cb6abea803b8aed22379cdbd1e98d48af6c2..526cde23da8b94caa8eb089f7cad72c86c9843eb 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -77,6 +77,11 @@ config CC_HAS_ASM_GOTO_OUTPUT
        depends on CC_HAS_ASM_GOTO
        def_bool $(success,echo 'int foo(int x) { asm goto ("": "=r"(x) ::: bar); return x; bar: return 0; }' | $(CC) -x c - -c -o /dev/null)
 
+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)
+
 config TOOLS_SUPPORT_RELR
        def_bool $(success,env "CC=$(CC)" "LD=$(LD)" "NM=$(NM)" "OBJCOPY=$(OBJCOPY)" $(srctree)/scripts/tools-support-relr.sh)