On 03/02/2021 17:23, Marc Zyngier wrote:
On 2021-02-02 15:46, John Garry wrote:
On 02/02/2021 14:48, Marc Zyngier wrote:
Not sure. I also now notice an error for the SAS PCI driver on D06
when nr_cpus < 16, which means number of MSI vectors allocated <
32, so looks the same problem. There
On 03/02/2021 17:23, Marc Zyngier wrote:
Before:
In free path, we have:
its_irq_domain_free(nvecs = 27)
bitmap_release_region(count order = 5 == 32bits)
Current:
In free path, we have:
its_irq_domain_free(nvecs = 1) for free each 27 vecs
bitmap_release_region(count
On 2021-02-02 15:46, John Garry wrote:
On 02/02/2021 14:48, Marc Zyngier wrote:
Not sure. I also now notice an error for the SAS PCI driver on D06
when nr_cpus < 16, which means number of MSI vectors allocated < 32,
so looks the same problem. There we try to allocate 16 + max(nr
cpus, 16)
On 02/02/2021 14:48, Marc Zyngier wrote:
Not sure. I also now notice an error for the SAS PCI driver on D06
when nr_cpus < 16, which means number of MSI vectors allocated < 32,
so looks the same problem. There we try to allocate 16 + max(nr cpus,
16) MSI.
Anyway, let me have a look today
On 2021-02-02 12:38, John Garry wrote:
Here's my suspicion: two of the interrupts are mapped in the
low-level
domain (the ITS, I'd expect in your case), but they have never been
mapped at the higher level.
On teardown, we only get rid of the 30 that were actually mapped, and
leave the last two
Here's my suspicion: two of the interrupts are mapped in the low-level
domain (the ITS, I'd expect in your case), but they have never been
mapped at the higher level.
On teardown, we only get rid of the 30 that were actually mapped, and
leave the last two dangling in the ITS domain, and thus the
On 01/02/2021 18:50, Marc Zyngier wrote:
Hi Marc,
Just a heads-up, by chance I noticed that I can't re-insert a specific
driver on v5.11-rc6:
[ 64.356023] hisi_dma :7b:00.0: Adding to iommu group 31
[ 64.368627] hisi_dma :7b:00.0: enabling device ( -> 0002)
[ 64.384156]
Hi John,
On Mon, 01 Feb 2021 18:34:59 +,
John Garry wrote:
>
> Just a heads-up, by chance I noticed that I can't re-insert a specific
> driver on v5.11-rc6:
>
> [ 64.356023] hisi_dma :7b:00.0: Adding to iommu group 31
> [ 64.368627] hisi_dma :7b:00.0: enabling device ( ->
Just a heads-up, by chance I noticed that I can't re-insert a specific
driver on v5.11-rc6:
[ 64.356023] hisi_dma :7b:00.0: Adding to iommu group 31
[ 64.368627] hisi_dma :7b:00.0: enabling device ( -> 0002)
[ 64.384156] hisi_dma :7b:00.0: Failed to allocate MSI vectors!
[
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