Re: [PATCH 1/2] s390/vdso: Pass --eh-frame-hdr to the linker

[Ilya Leoshkevich <iii@linux.ibm.com>]

On 7/6/26 17:19, Jens Remus wrote:
> Commit 2b2a25845d53 ("s390/vdso: Use $(LD) instead of $(CC) to link
> vDSO") accidentally broke the GNU_PTR_EH_FRAME program table entry in
> the vDSO, causing it to be empty:
> 
>    $ readelf --program-headers arch/s390/kernel/vdso/vdso.so
>    ...
>    Program Headers:
>      Type           Offset             VirtAddr           PhysAddr
>                     FileSiz            MemSiz              Flags  Align
>    ...
>      GNU_EH_FRAME   0x0000000000000000 0x0000000000000000 0x0000000000000000
>                     0x0000000000000000 0x0000000000000000         0x8
>    ...
> 
> Originally, the compiler would implicitly add --eh-frame-hdr when
> invoking the linker, but when this Makefile was converted from invoking
> the linker via the compiler, to invoking it directly, the option was
> missed.
> 
> This is the s390 variant of x86 commit cd01544a268a ("x86/vdso: Pass
> --eh-frame-hdr to the linker").
> 
> Fixes: 2b2a25845d53 ("s390/vdso: Use $(LD) instead of $(CC) to link vDSO")
> Signed-off-by: Jens Remus <jremus@linux.ibm.com>
> ---
>   arch/s390/kernel/vdso/Makefile | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)

Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>