Adding Thomas to the discussion as the commit is from him.

Le 20/10/2019 à 11:53, Andreas Schwab a écrit :
On Okt 20 2019, Christophe Leroy <christophe.le...@c-s.fr> wrote:

Le 19/10/2019 à 21:18, Andreas Schwab a écrit :
On Okt 19 2019, Christophe Leroy <christophe.le...@c-s.fr> wrote:

Hi Nathan,

While trying to switch powerpc VDSO to C version of gettimeofday(), I'm
getting the following kind of error with vdsotest:

passing NULL to clock_getres (VDSO): terminated by unexpected signal 11

Looking at commit a9446a906f52 ("lib/vdso/32: Remove inconsistent NULL
pointer checks"), it seems that signal 11 is expected when passing NULL
pointer.

Any plan to fix vdsotest ?

Passing NULL to clock_getres is valid, and required to return
successfully if the clock id is valid.


Do you mean the following commit is wrong ?

https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/lib/vdso?id=a9446a906f52292c52ecbd5be78eaa4d8395756c

If it causes a valid call to clock_getres to fail, then yes.

Andreas.

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