Re: [PATCH V3 2/4] misc: vop: do not allocate and reassign the used ring

2020-10-29 Thread Dixit, Ashutosh
On Thu, 29 Oct 2020 04:53:09 -0700, Arnd Bergmann wrote: > > On Thu, Oct 29, 2020 at 11:07 AM Vincent Whitchurch > wrote: > > > > On Wed, Oct 28, 2020 at 04:50:36PM +0100, Arnd Bergmann wrote: > > > I think we should try to do something on top of the PCIe endpoint > > > subsystem > > > to make it

Re: [PATCH V3 2/4] misc: vop: do not allocate and reassign the used ring

2020-10-29 Thread Dixit, Ashutosh
On Thu, 29 Oct 2020 03:07:27 -0700, Vincent Whitchurch wrote: > > On Wed, Oct 28, 2020 at 04:50:36PM +0100, Arnd Bergmann wrote: > > I think we should try to do something on top of the PCIe endpoint subsystem > > to make it work across arbitrary combinations of host and device > > implementations,

Re: [PATCH] vop: Add missing __iomem annotation in vop_dc_to_vdev()

2020-08-02 Thread Dixit, Ashutosh
On Sun, 02 Aug 2020 21:24:01 -0700, Greg Kroah-Hartman wrote: > > On Sun, Aug 02, 2020 at 04:28:12PM -0700, Ashutosh Dixit wrote: > > Fix the following sparse warnings in drivers/misc/mic/vop//vop_main.c: > > > > 551:58: warning: incorrect type in argument 1 (different address spaces) > > 551:58:

Re: sparse warnings in vop

2020-08-02 Thread Dixit, Ashutosh
On Sun, 02 Aug 2020 03:48:33 -0700, Arnd Bergmann wrote: > > On Sun, Aug 2, 2020 at 9:25 AM Andy Shevchenko > wrote: > > On Sunday, August 2, 2020, Michael S. Tsirkin wrote: > >> > >> Hi! > >> Building vop with make C=1 produces the following: > >> > >> CHECK drivers/misc/mic/vop/vop_main.c > >

Regression in v4.2-rc1: vmalloc_to_page with ioremap

2015-07-18 Thread Dixit, Ashutosh
vmalloc_to_page with ioremap'd memory used to work correctly till v4.1. In v4.2-rc1 when ioremap is done using huge pages vmalloc_to_page on ioremap'd memory crashes. Are there plans to fix this? An example of the use of vmalloc_to_page with ioremap is in the Intel MIC SCIF driver (drivers/misc/mi

RE: [PATCH] checkpatch: Don't require kernel style __attribute__ shortcuts in uapi paths

2013-11-11 Thread Dixit, Ashutosh
> -Original Message- > From: Joe Perches [mailto:j...@perches.com] > Sent: Sunday, November 10, 2013 1:55 PM > Subject: [PATCH] checkpatch: Don't require kernel style __attribute__ > shortcuts > in uapi paths > > Avoid proscribing kernel styled shortcuts for > gcc extensions of __attribut

RE: [PATCH] misc: mic: dead code removal and minor cleanup

2013-11-08 Thread Dixit, Ashutosh
> -Original Message- > From: Michael Opdenacker [mailto:michael.opdenac...@free-electrons.com] > Sent: Friday, November 08, 2013 8:14 PM > Subject: [PATCH] misc: mic: dead code removal and minor cleanup > > This removes the below test in drivers/misc/mic/card/mic_virtio.c: > > if (!retry)