lkml.org 
[lkml]   [2018]   [Apr]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 1/4] xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in pcistub_probe
From
Date
On 04/09/2018 11:03 AM, Jia-Ju Bai wrote:
> pcistub_probe() is never called in atomic context.
> This function is only set as ".probe" in struct pci_driver.
>
> Despite never getting called from atomic context,
> pcistub_probe() calls kmalloc() with GFP_ATOMIC,
> which does not sleep for allocation.
> GFP_ATOMIC is not necessary and can be replaced with GFP_KERNEL,
> which can sleep and improve the possibility of sucessful allocation.
>
> This is found by a static analysis tool named DCNS written by myself.
> And I also manually check it.
>
> Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
>


Applied the series and the extra patch to for-linus-4.17

-boris

\
 
 \ /
  Last update: 2018-04-17 17:08    [W:0.350 / U:0.020 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site