Linus Torvalds writes: (Summary) On Mon, Nov 13, 2017 at 1:56 PM, Darrick J. wrote:
Direct-IO causing cache coherency issues? I'm shocked and surptised that that could _possibly_ happen.
surptised that that could _possibly_ happen.
But why the hell would you want a back-trace for it? What did the backtrace and "looks like a kernel oops" really help with?
really help with?
And in the end, maybe even the warning is pointless. Linus
Linus
Linus
[...]
I don't think we can quietly ignore the situation.Direct-IO causing cache coherency issues? I'm shocked and surptised that that could _possibly_ happen.
surptised that that could _possibly_ happen.
But why the hell would you want a back-trace for it? What did the backtrace and "looks like a kernel oops" really help with?
really help with?
And in the end, maybe even the warning is pointless. Linus
Linus
Linus