Re: [PATCH v4 09/39] x86/vdso: Enable sframe generation in VDSO
Jens Remus <[email protected]>
| Newsgroups | org.kernel.vger.linux-toolchains,org.kernel.vger.linux-kernel,org.kernel.vger.linux-perf-users,org.kernel.vger.linux-trace-kernel |
|---|---|
| Organization | IBM Deutschland Research & Development GmbH |
| Message-ID | <[email protected]> |
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 <[email protected]> > 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 [email protected] IBM IBM Deutschland Research & Development GmbH; Vorsitzender des Aufsichtsrats: Wolfgang Wendt; Geschäftsführung: David Faller; Sitz der Gesellschaft: Böblingen; Registergericht: Amtsgericht Stuttgart, HRB 243294 IBM Data Privacy Statement: https://www.ibm.com/privacy/