Re: [PATCH v2] aarch64: vdso: Wire up getrandom() vDSO implementation

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On Fri, Aug 30, 2024 at 04:19:00PM +0100, Mark Brown wrote:
> On Thu, Aug 29, 2024 at 08:17:14PM +0000, Adhemerval Zanella wrote:
> > Hook up the generic vDSO implementation to the aarch64 vDSO data page.
> > The _vdso_rng_data required data is placed within the _vdso_data vvar
> > page, by using a offset larger than the vdso_data.
> 
> This exposes some preexisting compiler warnings in the getrandom test
> when built with clang:
> 
> vdso_test_getrandom.c:145:40: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions]
>   145 | static void *test_vdso_getrandom(void *)
>       |                                        ^
> vdso_test_getrandom.c:155:40: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions]
>   155 | static void *test_libc_getrandom(void *)
>       |                                        ^
> vdso_test_getrandom.c:165:43: warning: omitting the parameter name in a function definition is a C23 extension [-Wc23-extensions]
>   165 | static void *test_syscall_getrandom(void *)
>       |                                           ^
> 
> which it'd be good to get fixed before merging.

That's my bug. I'll fix that up in the tree and CC you on it. Thanks for
pointing it out.

Jason




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