On Fri, Nov 02, 2018 at 10:01:04AM +, Tim Smith wrote:
> If the I/O ring is full, the guest cannot send any more requests
> until some responses are sent. Only sending all available responses
> just before checking for new work does not leave much time for the
> guest to supply new work, so thi
> -Original Message-
> From: Tim Smith [mailto:tim.sm...@citrix.com]
> Sent: 02 November 2018 10:01
> To: xen-de...@lists.xenproject.org; qemu-devel@nongnu.org; qemu-
> bl...@nongnu.org
> Cc: Anthony Perard ; Kevin Wolf
> ; Paul Durrant ; Stefano
> Stabellini ; Max Reitz
> Subject: [PATC
If the I/O ring is full, the guest cannot send any more requests
until some responses are sent. Only sending all available responses
just before checking for new work does not leave much time for the
guest to supply new work, so this will cause stalls if the ring gets
full. Also, not completing rea
If the I/O ring is full, the guest cannot send any more requests
until some responses are sent. Only sending all available responses
just before checking for new work does not leave much time for the
guest to supply new work, so this will cause stalls if the ring gets
full. Also, not completing rea
> -Original Message-
> From: Qemu-devel [mailto:qemu-devel-
> bounces+paul.durrant=citrix@nongnu.org] On Behalf Of Tim Smith
> Sent: 07 September 2018 11:21
> To: qemu-devel@nongnu.org
> Subject: [Qemu-devel] [PATCH 2/3] Improve xen_disk response latency
>
>
If the I/O ring is full, the guest cannot send any more requests
until some responses are sent. Only sending all available responses
just before checking for new work does not leave much time for the
guest to supply new work, so this will cause stalls if the ring gets
full. Also, not completing rea