[PATCH] dma-debug: change allocation mode from GFP_NOWAIT to GFP_ATIOMIC

2022-05-10 Thread Mikulas Patocka
soon as anybody reaches the watermark. This patch changes GFP_NOWAIT to GFP_ATOMIC, so that it can access the emergency memory reserves. Signed-off-by: Mikulas Patocka --- kernel/dma/debug.c |2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: linux-2.6/ker

[PATCH] parisc iommu: fix panic due to trying to allocate too large region

2015-11-30 Thread Mikulas Patocka
ma_get_seg_boundary(dev) (it is not needed for Promise TX2+ SATA, but it may be needed for other devices that have dma_get_seg_boundary lower than dma_get_max_seg_size). Signed-off-by: Mikulas Patocka Cc: sta...@vger.kernel.org --- drivers/p

Re: [dm-devel] AMD-Vi IO_PAGE_FAULTs and ata3.00: failed command: READ FPDMA QUEUED errors since Linux 4.0

2015-10-12 Thread Mikulas Patocka
On Fri, 9 Oct 2015, Andreas Hartmann wrote: > Hello Jörg, > > On 10/09/2015 at 04:59 PM, Joerg Roedel wrote: > > On Fri, Oct 09, 2015 at 11:15:05AM +0200, Andreas Hartmann wrote: > >> v4.3-rc4 isn't usable at all for me as long as is hangs the machine on > >> the necessary PCI passthrough for V

Re: [dm-devel] AMD-Vi IO_PAGE_FAULTs and ata3.00: failed command: READ FPDMA QUEUED errors since Linux 4.0

2015-09-29 Thread Mikulas Patocka
On Tue, 29 Sep 2015, Joerg Roedel wrote: > On Sun, Sep 20, 2015 at 08:50:40AM +0200, Andreas Hartmann wrote: > > > I would submit this bug to maintainers of AMD-Vi. They understand the > > > hardware, so they should tell why do large I/O requests result in > > > IO_PAGE_FAULTs. > > > > > > It

Re: [dm-devel] AMD-Vi IO_PAGE_FAULTs and ata3.00: failed command: READ FPDMA QUEUED errors since Linux 4.0

2015-08-03 Thread Mikulas Patocka
On Sun, 2 Aug 2015, Andreas Hartmann wrote: > On 08/01/2015 at 04:20 PM Andreas Hartmann wrote: > > On 07/28/2015 at 09:29 PM, Mike Snitzer wrote: > > [...] > >> Mikulas was saying to biect what is causing ATA to fail. > > > > Some good news and some bad news. The good news first: > > > > Your