From: Anton Ivanov <anton.ivanov@kot-begemot.co.uk>
To: Thomas Meyer <thomas@m3y3r.de>
Cc: user-mode-linux-devel@lists.sourceforge.net
Subject: Re: [uml-devel] [PATCH] um: Switch clocksource to hrtimers
Date: Thu, 04 Jun 2015 11:37:32 +0100 [thread overview]
Message-ID: <55702A6C.8@kot-begemot.co.uk> (raw)
In-Reply-To: <1433412294.3399.4.camel@m3y3r.de>
I will give it a spin before the end of the weekend and run the full
test suite on it.
A.
[snip]
>> Cascading the kernel timer looks like the correct solution.
> Hi,
>
> below patch get's rid of all userspace timers.
> When a kernel timer interrupt is received the userspace process of the
> corresponding task is signaled via SIGALRM.
> The SIGALRM signal forces the userspace process to go back into
> userspace() function. There the SIGALRM signal is ignored as the
> interrupt was already processed anyway by the uml kernel.
>
> what do you think about this approach?
>
> Can you give this patch a try
>
> with kind regards
> thomas
>
>
[snip]
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next prev parent reply other threads:[~2015-06-04 10:37 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-17 9:25 [uml-devel] [PATCH] um: Switch clocksource to hrtimers Thomas Meyer
2015-05-19 16:19 ` Anton Ivanov
2015-05-19 16:39 ` Richard Weinberger
2015-05-19 16:47 ` Anton Ivanov
2015-05-19 22:12 ` Richard Weinberger
2015-05-20 5:26 ` Thomas Meyer
2015-05-31 11:15 ` Richard Weinberger
2015-05-31 19:00 ` Thomas Meyer
2015-05-31 19:10 ` Anton Ivanov
2015-06-04 10:04 ` Thomas Meyer
2015-06-04 10:37 ` Anton Ivanov [this message]
2015-06-25 18:00 ` Thomas Meyer
2015-05-31 21:49 ` Richard Weinberger
2015-05-31 21:58 ` Thomas Meyer
-- strict thread matches above, loose matches on Subject: below --
2015-08-09 17:53 Thomas Meyer
2015-08-15 8:15 ` Richard Weinberger
2015-08-15 16:27 ` Anton Ivanov
2015-08-18 9:34 ` Richard Weinberger
2015-08-18 15:30 ` Anton Ivanov
2015-08-18 16:04 ` Thomas Meyer
2015-10-13 21:45 ` Richard Weinberger
2015-10-14 6:12 ` Anton Ivanov
2015-10-14 8:25 ` Thomas Meyer
2015-10-14 9:23 ` Anton Ivanov
2015-10-14 11:22 ` Thomas Meyer
2015-10-16 9:18 ` Anton Ivanov
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