Re: [PATCH] crypto: api - Add support for duplicating algorithms before registration

[Herbert Xu]

On Sun, Apr 13, 2025 at 09:03:04AM -0700, Eric Biggers wrote:
>
> Why does this make any sense?  The lifetime of the algorithm struct memory
> should be the same as that of the owning module, and drivers should ensure that.
> In which case hacks like this are not needed.

Hardware can be unplugged at any time.  Once all hardware backing
a driver has been removed, you need to unregister that algorithm.

Please read my explanation for the prior patch:

https://patchwork.kernel.org/project/linux-crypto/patch/Z_XpfyPaoZ6Y8u6z@xxxxxxxxxxxxxxxxxxx/

Cheers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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