From: Richard Henderson <richard.henderson@linaro.org>
To: Paolo Bonzini <pbonzini@redhat.com>, qemu-devel@nongnu.org
Cc: famz@redhat.com, qemu-block@nongnu.org, stefanha@redhat.com
Subject: Re: [Qemu-devel] [PATCH 3/5] coroutine-lock: convert CoQueue to use QemuLockable
Date: Sat, 3 Feb 2018 12:50:58 -0800 [thread overview]
Message-ID: <94fcb3a4-8ec5-97a9-84be-f91a849372a9@linaro.org> (raw)
In-Reply-To: <20180203153935.8056-4-pbonzini@redhat.com>
On 02/03/2018 07:39 AM, Paolo Bonzini wrote:
> There are cases in which a queued coroutine must be restarted from
> non-coroutine context (with qemu_co_enter_next). In this cases,
> qemu_co_enter_next also needs to be thread-safe, but it cannot use
> a CoMutex and so cannot qemu_co_queue_wait. Use QemuLockable so
> that the CoQueue can interchangeably use CoMutex or QemuMutex.
>
> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
> include/qemu/coroutine.h | 6 +++++-
> util/qemu-coroutine-lock.c | 12 +++++++-----
> 2 files changed, 12 insertions(+), 6 deletions(-)
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
r~
next prev parent reply other threads:[~2018-02-03 20:51 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-03 15:39 [Qemu-devel] [PATCH v5 0/5] coroutine-lock: polymorphic CoQueue Paolo Bonzini
2018-02-03 15:39 ` [Qemu-devel] [PATCH 1/5] test-coroutine: add simple CoMutex test Paolo Bonzini
2018-02-03 20:46 ` Richard Henderson
2018-02-03 15:39 ` [Qemu-devel] [PATCH 2/5] lockable: add QemuLockable Paolo Bonzini
2018-02-03 20:44 ` Richard Henderson
2018-02-05 14:38 ` Paolo Bonzini
2018-02-03 15:39 ` [Qemu-devel] [PATCH 3/5] coroutine-lock: convert CoQueue to use QemuLockable Paolo Bonzini
2018-02-03 20:50 ` Richard Henderson [this message]
2018-02-03 15:39 ` [Qemu-devel] [PATCH 4/5] coroutine-lock: make qemu_co_enter_next thread-safe Paolo Bonzini
2018-02-03 20:57 ` Richard Henderson
2018-02-03 15:39 ` [Qemu-devel] [PATCH 5/5] curl: convert to CoQueue Paolo Bonzini
2018-02-03 20:59 ` Richard Henderson
2018-02-05 14:39 ` [Qemu-devel] [PATCH v5 0/5] coroutine-lock: polymorphic CoQueue Stefan Hajnoczi
2018-02-07 5:27 ` Fam Zheng
-- strict thread matches above, loose matches on Subject: below --
2018-02-01 21:29 [Qemu-devel] [PATCH v4 " Paolo Bonzini
2018-02-01 21:29 ` [Qemu-devel] [PATCH 3/5] coroutine-lock: convert CoQueue to use QemuLockable Paolo Bonzini
2018-01-25 17:59 [Qemu-devel] [PATCH v3 0/5] coroutine-lock: polymorphic CoQueue Paolo Bonzini
2018-01-25 17:59 ` [Qemu-devel] [PATCH 3/5] coroutine-lock: convert CoQueue to use QemuLockable Paolo Bonzini
2018-01-29 13:26 ` Stefan Hajnoczi
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