Boot time and 3 sec in warning_print

2021-02-14 Thread Anders Törnqvist
Hi, I would like to shorten the boot time in our system if possible. In xen/common/warning.c there is warning_print() which contains a 3 seconds loop that calls  process_pending_softirqs(). What would the potential problems be if that loop is radically shortened? /Anders

Re: Null scheduler and vwfi native problem

2021-02-14 Thread Anders Törnqvist
On 1/30/21 6:59 PM, Dario Faggioli wrote: On Fri, 2021-01-29 at 09:08 +0100, Anders Törnqvist wrote: On 1/26/21 11:31 PM, Dario Faggioli wrote: Thanks again for letting us see these logs. Thanks for the attention to this :-) Any ideas for how to solve it? So, you're up for testing patches

Re: Null scheduler and vwfi native problem

2021-01-31 Thread Anders Törnqvist
On 1/30/21 6:59 PM, Dario Faggioli wrote: On Fri, 2021-01-29 at 09:08 +0100, Anders Törnqvist wrote: On 1/26/21 11:31 PM, Dario Faggioli wrote: Thanks again for letting us see these logs. Thanks for the attention to this :-) Any ideas for how to solve it? So, you're up for testing patches

Re: Null scheduler and vwfi native problem

2021-01-31 Thread Anders Törnqvist
On 1/29/21 11:16 AM, Dario Faggioli wrote: On Fri, 2021-01-29 at 09:18 +0100, Jürgen Groß wrote: On 29.01.21 09:08, Anders Törnqvist wrote: So it using it has only downsides (and that's true in general, if you ask me, but particularly so if using NULL). Thanks for the feedback. I removed

Re: Null scheduler and vwfi native problem

2021-01-29 Thread Anders Törnqvist
On 1/26/21 11:31 PM, Dario Faggioli wrote: On Tue, 2021-01-26 at 18:03 +0100, Anders Törnqvist wrote: On 1/25/21 5:11 PM, Dario Faggioli wrote: On Fri, 2021-01-22 at 14:26 +, Julien Grall wrote: Hi Anders, On 22/01/2021 08:06, Anders Törnqvist wrote: On 1/22/21 12:35 AM, Dario Faggioli

Re: Null scheduler and vwfi native problem

2021-01-26 Thread Anders Törnqvist
On 1/25/21 5:11 PM, Dario Faggioli wrote: On Fri, 2021-01-22 at 14:26 +, Julien Grall wrote: Hi Anders, On 22/01/2021 08:06, Anders Törnqvist wrote: On 1/22/21 12:35 AM, Dario Faggioli wrote: On Thu, 2021-01-21 at 19:40 +, Julien Grall wrote: - booting with "sched=null vwfi=n

Re: Null scheduler and vwfi native problem

2021-01-22 Thread Anders Törnqvist
On 1/22/21 3:26 PM, Julien Grall wrote: Hi Anders, On 22/01/2021 08:06, Anders Törnqvist wrote: On 1/22/21 12:35 AM, Dario Faggioli wrote: On Thu, 2021-01-21 at 19:40 +, Julien Grall wrote: - booting with "sched=null vwfi=native" but not doing the IRQ passthrough that you menti

Re: Null scheduler and vwfi native problem

2021-01-22 Thread Anders Törnqvist
On 1/22/21 3:02 PM, Julien Grall wrote: Hi Dario, On 21/01/2021 23:35, Dario Faggioli wrote: On Thu, 2021-01-21 at 19:40 +, Julien Grall wrote: Hi Dario, Hi! On 21/01/2021 18:32, Dario Faggioli wrote: On Thu, 2021-01-21 at 11:54 +0100, Anders Törnqvist wrote: https

Re: Null scheduler and vwfi native problem

2021-01-22 Thread Anders Törnqvist
On 1/21/21 7:32 PM, Dario Faggioli wrote: On Thu, 2021-01-21 at 11:54 +0100, Anders Törnqvist wrote: Hi, Hello, I see a problem with destroy and restart of a domain. Interrupts are not available when trying to restart a domain. The situation seems very similar to the thread "null sche

Re: Null scheduler and vwfi native problem

2021-01-22 Thread Anders Törnqvist
Thanks for the responses. On 1/22/21 12:35 AM, Dario Faggioli wrote: On Thu, 2021-01-21 at 19:40 +, Julien Grall wrote: Hi Dario, Hi! On 21/01/2021 18:32, Dario Faggioli wrote: On Thu, 2021-01-21 at 11:54 +0100, Anders Törnqvist wrote: https://lists.xenproject.org/archives/html

Null scheduler and vwfi native problem

2021-01-21 Thread Anders Törnqvist
Hi, I see a problem with destroy and restart of a domain. Interrupts are not available when trying to restart a domain. The situation seems very similar to the thread "null scheduler bug" https://lists.xenproject.org/archives/html/xen-devel/2018-09/msg01213.html. The target system is a