On Wed, 2019-01-16 at 16:47:44 UTC, Breno Leitao wrote:
> There is a kernel crash that happens if rt_sigreturn is called inside a
> transactional block.
>
> This crash happens if the kernel hits an in-kernel page fault when
> accessing userspace memory, usually through copy_ckvsx_to_user(). A
On Wed, 2019-01-16 at 14:47 -0200, Breno Leitao wrote:
> There is a kernel crash that happens if rt_sigreturn is called inside a
> transactional block.
>
> This crash happens if the kernel hits an in-kernel page fault when
> accessing userspace memory, usually through copy_ckvsx_to_user(). A
There is a kernel crash that happens if rt_sigreturn is called inside a
transactional block.
This crash happens if the kernel hits an in-kernel page fault when
accessing userspace memory, usually through copy_ckvsx_to_user(). A major
page fault calls might_sleep() function, which can cause a task