[lkml]   [2018]   [Mar]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] staging: pi433: add descriptions for mutex locks
On Fri, Mar 23, 2018 at 11:22:39AM +0100, Marcus Wolf wrote:
> could you please decribe in short words, why you think, that hte lock
> isn't obsolete?
> I wasn't sure, but close to remove the lock. That's why I putted the
> comment.

Sure, if pi433_tx_thread runs on one CPU it might be possible
to call pi433_write concurrently on another CPU and they would
both modify tx_fifo. But maybe there is some other protection
in place that would prevent this?


 \ /
  Last update: 2018-03-23 12:44    [W:0.094 / U:0.796 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site