[lkml]   [2008]   [Nov]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: O_DIRECT patch for processors with VIPT cache for mainline kernel (specifically arm in our case)
2008/11/20 Nick Piggin <>:
> [ ... ]
> - The page is sent to the block layer, which stores into the page. Some
> block devices like 'brd' will potentially store via the kernel linear map
> here, and they probably don't do enough cache flushing.

btw., if someone is curious, here is another case of what may happen
on VIPT systems when someone uses a "virtual" block device (like
'brd') as, heh, a swap :-)

Best regards,
Dmitry Adamushko

 \ /
  Last update: 2008-11-20 13:31    [W:0.061 / U:1.792 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site