On Tue, Jan 2, 2024 at 4:59 PM Bartosz Golaszewski <brgl@xxxxxxxx> wrote: > From: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx> > > There are only two spots where we modify (add to or remove objects from) > the GPIO device list. Readers should be able to access it concurrently. > Replace the mutex with a read-write semaphore and adjust the locking > operations accordingly. > > Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx> Looks correct to me. Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Yours, Linus Walleij
Re: [PATCH v2 2/3] gpiolib: replace the GPIO device mutex with a read-write semaphore
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- Subject: Re: [PATCH v2 2/3] gpiolib: replace the GPIO device mutex with a read-write semaphore
- From: Linus Walleij <linus.walleij@xxxxxxxxxx>
- Date: Tue, 2 Jan 2024 23:12:47 +0100
- In-reply-to: <20240102155949.73434-3-brgl@bgdev.pl>
- References: <20240102155949.73434-1-brgl@bgdev.pl> <20240102155949.73434-3-brgl@bgdev.pl>
- References:
- [PATCH v2 0/3] gpiolib: use a read-write semaphore to protect the GPIO device list
- From: Bartosz Golaszewski
- [PATCH v2 2/3] gpiolib: replace the GPIO device mutex with a read-write semaphore
- From: Bartosz Golaszewski
- [PATCH v2 0/3] gpiolib: use a read-write semaphore to protect the GPIO device list
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