Re: [PATCH] crypto: loongson - Select CRYPTO_RNG

[Qunqin Zhao]

在 2026/5/22 上午10:57, Eric Biggers 写道:
> On Fri, May 22, 2026 at 10:52:42AM +0800, Huacai Chen wrote:
> > On Fri, May 22, 2026 at 10:26 AM Eric Biggers <ebiggers@xxxxxxxxxx> wrote:
> > > This driver registers a rng_alg, so it requires CRYPTO_RNG.
> > >
> > > Fixes: 766b2d724c8d ("crypto: loongson - add Loongson RNG driver support")
> > > Reported-by: kernel test robot <lkp@xxxxxxxxx>
> > > Closes: https://lore.kernel.org/oe-kbuild-all/202605201622.qWOiiZTV-lkp@xxxxxxxxx/
> > > Cc: stable@xxxxxxxxxxxxxxx
> > > Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>
> > Reviewed-by: Huacai Chen <chenhuacai@xxxxxxxxxxx>
> > > ---
> > >   drivers/crypto/loongson/Kconfig | 1 +
> > >   1 file changed, 1 insertion(+)
> By the way, do any of the loongson people have any comment on what they
> think the point of this driver is?  It's not registered with the actual

To provide an AF_ALG-based random number generation interface for other 
modules and user-space programs.

Thanks,

Qunqin

> hwrng subsystem, but rather the pointless crypto_rng system which no one
> uses.  So if it was intended to provide entropy for /dev/urandom etc.,
> that isn't what it's doing.

> Can we just delete this driver?
>
> - Eric