> -Original Message-
> From: Volker Schwicking [mailto:volker.schwick...@godaddy.com]
> Sent: Thursday, April 26, 2018 8:22 PM
> To: Kashyap Desai
> Cc: Martin K. Petersen; linux-scsi@vger.kernel.org; Sumit Saxena;
> Shivasharan
> Srikanteshwara
> Subject: Re: MegaCli fails to communicate w
On Thu, Apr 26, 2018 at 09:54:06PM +, Luis R. Rodriguez wrote:
> In practice if you don't have a floppy device on x86, you don't need ZONE_DMA,
I call BS on that, and you actually explain later why it it BS due
to some drivers using it more explicitly. But even more importantly
we have plenty
On Sun, Apr 15, 2018 at 11:24:11AM -0400, Alan Stern wrote:
> On Sun, 15 Apr 2018, Christoph Hellwig wrote:
>
> > USB host controllers now must handle highmem, so we can get rid of bounce
> > buffering highmem pages in the block layer.
>
> Sorry, I don't quite understand what you are saying. Do
Johannes,
can you take a look at this? You are one of the few persons who cared
about SMP passthrough in the recent past.
On Sun, Apr 15, 2018 at 04:52:37PM +0200, Christoph Hellwig wrote:
> All three instance of ->smp_handler deal with highmem backed requests
> just fine.
>
> Signed-off-by: Ch
Hi Chad,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on mkp-scsi/for-next]
[also build test WARNING on v4.17-rc2 next-20180426]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github.com
Fixes: d9867ecbae88 ("qedf: Add dcbx_not_wait module parameter so we won't wait
for DCBX convergence to start discovery.")
Signed-off-by: Fengguang Wu
---
qedf_main.c |2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_ma
On Thu, 2018-04-26 at 21:54 +, Luis R. Rodriguez wrote:
> Below are my notes on the ZONE_DMA discussion at LSF/MM 2018. There
> were some
> earlier discussion prior to my arrival to the session about moving
> around
> ZOME_DMA around, if someone has notes on that please share too :)
We took no
Any thoughts on this? Can we really drop a reference from a child device
(bsg_class_device) to a parent device (Scsi_Host) while the child device
is still around at fc_bsg_remove time?
If not, please consider a fix with module references. I realized that
the previous version of the fix had a probl
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Caddesi Kristal Kule B
Below are my notes on the ZONE_DMA discussion at LSF/MM 2018. There were some
earlier discussion prior to my arrival to the session about moving around
ZOME_DMA around, if someone has notes on that please share too :)
PS. I'm not subscribed to linux-mm
Luis
Determining you don't need to suppor
On Fri, 2018-04-20 at 19:15 -0400, Martin K. Petersen wrote:
>
> Much better, thanks for reworking this. Applied to 4.18/scsi-queue.
Thank you!
By the way, I've been wondering whether declaring blist_flags_t
__bitwise was a wise decision. blist_flags_t is kernel-internal, thus
endianness doesn't
On 4/26/18 1:20 AM, Christoph Hellwig wrote:
> On Tue, Apr 24, 2018 at 08:02:56PM -0600, Jens Axboe wrote:
>> On 4/24/18 12:16 PM, Christoph Hellwig wrote:
>>> ide_toggle_bounce did select various strange block bounce limits, including
>>> not bouncing at all as soon as an iommu is present in the s
On 23. Apr 2018, at 11:03, Volker Schwicking
wrote:
>
> I will add the printk to dma_alloc_coherent() as well to see, which request
> actually fails. But i have to be a bit patient since its a production system
> and the customers aren’t to happy about reboots.
Alright, here are some results.
https://bugzilla.kernel.org/show_bug.cgi?id=199435
--- Comment #20 from Anthony Hausman (anthonyhaussm...@gmail.com) ---
So here are all my test.
With the agent enable, using hp check command disk (hpacucli/ssacli and
hpssacli) and launching a sg_reset, the reset has no problem on the problematic
On Tue, Apr 24, 2018 at 08:02:56PM -0600, Jens Axboe wrote:
> On 4/24/18 12:16 PM, Christoph Hellwig wrote:
> > ide_toggle_bounce did select various strange block bounce limits, including
> > not bouncing at all as soon as an iommu is present in the system. Given
> > that the dma_map routines now
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