On 22.01.2025 03:31, Josh Poimboeuf wrote:
Enable sframe generation in the VDSO library so kernel and user space
can unwind through it.

Signed-off-by: Josh Poimboeuf <jpoim...@kernel.org>

diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile

@@ -47,13 +47,17 @@ quiet_cmd_vdso2c = VDSO2C  $@
  $(obj)/vdso-image-%.c: $(obj)/vdso%.so.dbg $(obj)/vdso%.so $(obj)/vdso2c FORCE
        $(call if_changed,vdso2c)
+#ifdef CONFIG_AS_SFRAME
+SFRAME_CFLAGS := -Wa$(comma)-gsframe
+#endif
+

You probably erroneously mixed up C preprocessor and Makefile syntax? :-)

ifeq ($(CONFIG_AS_SFRAME),y)
       SFRAME_CFLAGS := -Wa,--gsframe
endif

$(comma) does not appear to be required in this context.

Regards,
Jens
--
Jens Remus
Linux on Z Development (D3303)
+49-7031-16-1128 Office
jre...@de.ibm.com

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