From: Wei Liu <wei.liu2@citrix.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: "Lan, Tianyu" <tianyu.lan@intel.com>,
Kevin Tian <kevin.tian@intel.com>, Wei Liu <wei.liu2@citrix.com>,
Jun Nakajima <jun.nakajima@intel.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Jan Beulich <jbeulich@suse.com>,
xen-devel@lists.xenproject.org
Subject: Re: [PATCH v2 1/5] tasklet: Introduce per-cpu tasklet for softirq.
Date: Fri, 26 Aug 2016 10:43:43 +0100 [thread overview]
Message-ID: <20160826094343.GG2590@citrix.com> (raw)
In-Reply-To: <1472153041-14220-2-git-send-email-konrad.wilk@oracle.com>
On Thu, Aug 25, 2016 at 03:23:57PM -0400, Konrad Rzeszutek Wilk wrote:
[...]
> +static inline void tasklet_unlock_wait(struct tasklet *t)
> +{
> + while (test_bit(TASKLET_STATE_RUN, &(t)->state))
> + {
> + barrier();
Need cpu_relax() here?
> + }
Wei.
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next prev parent reply other threads:[~2016-08-26 9:44 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-25 19:23 [PATCH v2] Convert tasklet to per-cpu tasklet Konrad Rzeszutek Wilk
2016-08-25 19:23 ` [PATCH v2 1/5] tasklet: Introduce per-cpu tasklet for softirq Konrad Rzeszutek Wilk
2016-08-26 9:43 ` Wei Liu [this message]
2016-10-27 16:24 ` Jan Beulich
2016-08-25 19:23 ` [PATCH v2 2/5] tasklet: Add cross CPU feeding of per-cpu tasklets Konrad Rzeszutek Wilk
2016-10-28 10:37 ` Jan Beulich
2016-08-25 19:23 ` [PATCH v2 3/5] tasklet: Remove the old-softirq implementation Konrad Rzeszutek Wilk
2016-10-28 12:37 ` Jan Beulich
2016-08-25 19:24 ` [PATCH v2 4/5] tasklet: Introduce per-cpu tasklet for schedule tasklet Konrad Rzeszutek Wilk
2016-08-25 19:24 ` [PATCH v2 5/5] tasklet: Remove the scaffolding Konrad Rzeszutek Wilk
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