Hi Michael,
On 09/21/2016 11:34 AM, Mauricio Faria de Oliveira wrote:
So, the intent is to have a single/common hack that upstream is OK w/,
then apply that downstream in the multiple distros. Of course, if you
are not OK w/ this patch (which is obviously fair) we'll have to try it
downstream o
Hi Michael,
Thanks for the review.
On 09/21/2016 10:51 AM, Michael Ellerman wrote:
That is important/requirement for the distribution kernels - where
the DMA_ATTR_NO_WARN changes to 'enum dma_attr' are not acceptable
because it breaks the kernel ABI.
[snip]
> Removing an entry from an enum wou
On Thu, 2016-01-09 at 12:56:42 UTC, Mauricio Faria de Oliveira wrote:
> This patch introduces the 'iommu_alloc_quiet=driver_name' parameter
> to suppress the 'iommu_alloc failures' messages for that one driver.
>
> This is an additional approach for this 'problem' of flooding logs,
> not as fine-g
On 09/01/2016 10:39 AM, Torsten Duwe wrote:
JFYI, my strongly preferred solution would still be to just dev_dbg() the whole
thing.
Which group of people would be interested in these messages, after all?
Certainly understandable.
Ben didn't like the idea to convert the messages to dynamic debu
On Thu, Sep 01, 2016 at 09:56:42AM -0300, Mauricio Faria de Oliveira wrote:
> This patch introduces the 'iommu_alloc_quiet=driver_name' parameter
> to suppress the 'iommu_alloc failures' messages for that one driver.
>
> This is an additional approach for this 'problem' of flooding logs,
> not as
Michael / Ben,
On 09/01/2016 09:56 AM, Mauricio Faria de Oliveira wrote:
+#define IOMMU_ALLOC_QUIET_LEN 16 /* includes '\0' */
Guilherme suggested MAX_PARAM_PREFIX_LEN for this, which looks
better (a few extra bytes).
Would you mind to s/16/MAX_PARAM_PREFIX_LEN/ if you like that?
I can send
This patch introduces the 'iommu_alloc_quiet=driver_name' parameter
to suppress the 'iommu_alloc failures' messages for that one driver.
This is an additional approach for this 'problem' of flooding logs,
not as fine-grained and not enabled by default as DMA_ATTR_NO_WARN,
but it has the advantage
