Re: [PATCH 1/2] io_uring: fix big-endian compat signal mask handling

From: Arnd Bergmann
Date: Mon Mar 25 2019 - 12:12:17 EST


On Mon, Mar 25, 2019 at 5:05 PM Jens Axboe <axboe@xxxxxxxxx> wrote:
>
> On 3/25/19 8:34 AM, Arnd Bergmann wrote:
> > On big-endian architectures, the signal masks are differnet
> > between 32-bit and 64-bit tasks, so we have to use a different
> > function for reading them from user space.
> >
> > io_cqring_wait() initially got this wrong, and always interprets
> > this as a native structure. This is ok on x86 and most arm64,
> > but not on s390, ppc64be, mips64be, sparc64 and parisc.
>
> Thanks Arnd, applied.
>
> Was there a 2/2 patch? I only received this one, 1/2.

Sorry I missed you on Cc:
https://lore.kernel.org/lkml/20190325144737.703921-1-arnd@xxxxxxxx/T/#u

This one went out to all the affected arch maintainers.

Arnd