Re: aio poll, io_pgetevents and a new in-kernel poll API V3

On Thu, Jan 18, 2018 at 12:55:47PM -0500, Colin Walters wrote: > > FWIW: > https://git.gnome.org/browse/glib/commit/?id=3904c8761a60dbadbdfaf98fe23ff19cbdcc4a9a > > Since that a lot of userspace (including NetworkManager) uses eventfd. I > haven't > tried this patchset myself but I'd look at

Re: aio poll, io_pgetevents and a new in-kernel poll API V3

Christoph Hellwig writes: > On Thu, Jan 18, 2018 at 11:44:03AM -0500, Jeff Moyer wrote: >> Jeff Moyer writes: >> >> > FYI, this kernel has issues. It will boot up, but I don't have >> > networking, and even rebooting doesn't succeed. I'm looking into it. >>

Re: aio poll, io_pgetevents and a new in-kernel poll API V3

On Thu, Jan 18, 2018, at 11:44 AM, Jeff Moyer wrote: > Jeff Moyer writes: > > > FYI, this kernel has issues. It will boot up, but I don't have > > networking, and even rebooting doesn't succeed. I'm looking into it. > > A bisect lands on: eventfd: switch to ->poll_mask.

Re: aio poll, io_pgetevents and a new in-kernel poll API V3

Avi Kivity writes: > On 01/18/2018 05:46 PM, Jeff Moyer wrote: >> FYI, this kernel has issues. It will boot up, but I don't have >> networking, and even rebooting doesn't succeed. I'm looking into it. > > FWIW, I'm running an older version of this patchset on my desktop with

Re: aio poll, io_pgetevents and a new in-kernel poll API V3

On 01/18/2018 07:51 PM, Avi Kivity wrote: On 01/18/2018 05:46 PM, Jeff Moyer wrote: FYI, this kernel has issues.  It will boot up, but I don't have networking, and even rebooting doesn't succeed.  I'm looking into it. FWIW, I'm running an older version of this patchset on my desktop with no

Re: aio poll, io_pgetevents and a new in-kernel poll API V3

On 01/18/2018 05:46 PM, Jeff Moyer wrote: FYI, this kernel has issues. It will boot up, but I don't have networking, and even rebooting doesn't succeed. I'm looking into it. FWIW, I'm running an older version of this patchset on my desktop with no problems so far. -Jeff Christoph

Re: aio poll, io_pgetevents and a new in-kernel poll API V3

On Thu, Jan 18, 2018 at 11:44:03AM -0500, Jeff Moyer wrote: > Jeff Moyer writes: > > > FYI, this kernel has issues. It will boot up, but I don't have > > networking, and even rebooting doesn't succeed. I'm looking into it. > > A bisect lands on: eventfd: switch to

Re: aio poll, io_pgetevents and a new in-kernel poll API V3

Jeff Moyer writes: > FYI, this kernel has issues. It will boot up, but I don't have > networking, and even rebooting doesn't succeed. I'm looking into it. A bisect lands on: eventfd: switch to ->poll_mask. That's not super helpful, though. I did run the ltp eventfd2

Re: aio poll, io_pgetevents and a new in-kernel poll API V3

FYI, this kernel has issues. It will boot up, but I don't have networking, and even rebooting doesn't succeed. I'm looking into it. -Jeff Christoph Hellwig writes: > Hi all, > > this series adds support for the IOCB_CMD_POLL operation to poll for the > readyness of file

aio poll, io_pgetevents and a new in-kernel poll API V3

Hi all, this series adds support for the IOCB_CMD_POLL operation to poll for the readyness of file descriptors using the aio subsystem. The API is based on patches that existed in RHAS2.1 and RHEL3, which means it already is supported by libaio. To implement the poll support efficiently new