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SubjectRe: [PATCH] hw_random: move add_early_randomness() out of rng_mutex
On Thu, Sep 12, 2019 at 03:30:22PM +0200, Laurent Vivier wrote:
> add_early_randomness() is called every time a new rng backend is added
> and every time it is set as the current rng provider.
>
> add_early_randomness() is called from functions locking rng_mutex,
> and if it hangs all the hw_random framework hangs: we can't read sysfs,
> add or remove a backend.
>
> This patch move add_early_randomness() out of the rng_mutex zone.
> It only needs the reading_mutex.
>
> Signed-off-by: Laurent Vivier <lvivier@redhat.com>
> ---
> drivers/char/hw_random/core.c | 60 +++++++++++++++++++++++++----------
> 1 file changed, 44 insertions(+), 16 deletions(-)

Patch applied. Thanks.
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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