From: Sergio Lopez <slp@redhat.com>
To: Stefan Hajnoczi <stefanha@redhat.com>
Cc: "Fam Zheng" <fam@euphon.net>, "Kevin Wolf" <kwolf@redhat.com>,
qemu-block@nongnu.org, qemu-devel@nongnu.org,
"Max Reitz" <mreitz@redhat.com>,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Marc-André Lureau" <marcandre.lureau@redhat.com>
Subject: Re: [PATCH 2/5] aio-posix: don't pass ns timeout to epoll_wait()
Date: Wed, 19 Feb 2020 11:12:34 +0100 [thread overview]
Message-ID: <20200219101234.pqy4kca5z7ywv2rm@dritchie> (raw)
In-Reply-To: <20200214171712.541358-3-stefanha@redhat.com>
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On Fri, Feb 14, 2020 at 05:17:09PM +0000, Stefan Hajnoczi wrote:
> Don't pass the nanosecond timeout into epoll_wait(), which expects
> milliseconds.
>
> The epoll_wait() timeout value does not matter if qemu_poll_ns()
> determined that the poll fd is ready, but passing a value in the wrong
> units is still ugly. Pass a 0 timeout to epoll_wait() instead.
>
> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
> ---
> util/aio-posix.c | 3 +++
> 1 file changed, 3 insertions(+)
Reviewed-by: Sergio Lopez <slp@redhat.com>
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next prev parent reply other threads:[~2020-02-19 10:13 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-14 17:17 [PATCH 0/5] aio-posix: towards an O(1) event loop Stefan Hajnoczi
2020-02-14 17:17 ` [PATCH 1/5] aio-posix: fix use after leaving scope in aio_poll() Stefan Hajnoczi
2020-02-19 7:02 ` Sergio Lopez
2020-02-14 17:17 ` [PATCH 2/5] aio-posix: don't pass ns timeout to epoll_wait() Stefan Hajnoczi
2020-02-19 10:12 ` Sergio Lopez [this message]
2020-02-14 17:17 ` [PATCH 3/5] qemu/queue.h: add QLIST_SAFE_REMOVE() Stefan Hajnoczi
2020-02-19 10:30 ` Sergio Lopez
2020-02-14 17:17 ` [PATCH 4/5] aio-posix: make AioHandler deletion O(1) Stefan Hajnoczi
2020-02-19 10:41 ` Sergio Lopez
2020-02-14 17:17 ` [PATCH 5/5] aio-posix: make AioHandler dispatch O(1) with epoll Stefan Hajnoczi
2020-02-19 11:00 ` Sergio Lopez
2020-02-19 11:13 ` Paolo Bonzini
2020-02-21 12:59 ` Stefan Hajnoczi
2020-02-21 13:06 ` Paolo Bonzini
2020-02-21 14:44 ` Stefan Hajnoczi
2020-02-21 14:47 ` Stefan Hajnoczi
2020-02-21 15:04 ` Paolo Bonzini
2020-02-21 15:29 ` Stefan Hajnoczi
2020-02-21 15:37 ` Paolo Bonzini
2020-02-21 15:29 ` [PATCH 0/5] aio-posix: towards an O(1) event loop Stefan Hajnoczi
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