* [PATCH] x86/vdso: avoid warning when building vdso2c on 32-bit host
@ 2021-03-10 9:22 Jan Beulich
2021-03-10 11:27 ` Borislav Petkov
0 siblings, 1 reply; 2+ messages in thread
From: Jan Beulich @ 2021-03-10 9:22 UTC (permalink / raw)
To: Andy Lutomirski
Cc: lkml, the arch/x86 maintainers, Thomas Gleixner, Ingo Molnar,
Borislav Petkov
size_t arguments can't compatibly be passed for l-modifier format
specifiers. Use z instead.
Fixes: 8382c668ce4f ("x86/vdso: Add support for exception fixup in vDSO functions")
Signed-off-by: Jan Beulich <jbeulich@suse.com>
--- a/arch/x86/entry/vdso/vdso2c.h
+++ b/arch/x86/entry/vdso/vdso2c.h
@@ -35,7 +35,7 @@ static void BITSFUNC(extract)(const unsi
if (offset + len > data_len)
fail("section to extract overruns input data");
- fprintf(outfile, "static const unsigned char %s[%lu] = {", name, len);
+ fprintf(outfile, "static const unsigned char %s[%zu] = {", name, len);
BITSFUNC(copy)(outfile, data + offset, len);
fprintf(outfile, "\n};\n\n");
}
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH] x86/vdso: avoid warning when building vdso2c on 32-bit host
2021-03-10 9:22 [PATCH] x86/vdso: avoid warning when building vdso2c on 32-bit host Jan Beulich
@ 2021-03-10 11:27 ` Borislav Petkov
0 siblings, 0 replies; 2+ messages in thread
From: Borislav Petkov @ 2021-03-10 11:27 UTC (permalink / raw)
To: Jan Beulich
Cc: Andy Lutomirski, lkml, the arch/x86 maintainers, Thomas Gleixner,
Ingo Molnar
On Wed, Mar 10, 2021 at 10:22:16AM +0100, Jan Beulich wrote:
> size_t arguments can't compatibly be passed for l-modifier format
> specifiers. Use z instead.
>
> Fixes: 8382c668ce4f ("x86/vdso: Add support for exception fixup in vDSO functions")
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
>
> --- a/arch/x86/entry/vdso/vdso2c.h
> +++ b/arch/x86/entry/vdso/vdso2c.h
> @@ -35,7 +35,7 @@ static void BITSFUNC(extract)(const unsi
> if (offset + len > data_len)
> fail("section to extract overruns input data");
>
> - fprintf(outfile, "static const unsigned char %s[%lu] = {", name, len);
> + fprintf(outfile, "static const unsigned char %s[%zu] = {", name, len);
> BITSFUNC(copy)(outfile, data + offset, len);
> fprintf(outfile, "\n};\n\n");
Already fixed:
https://git.kernel.org/tip/70c9d959226b7c5c48c119e2c1cfc1424f87b023
Thx.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
^ permalink raw reply [flat|nested] 2+ messages in thread
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