Re: [PATCH] x86/PAT: priority the PAT warn to error to highlight the developer

2019-10-01 Thread Peter Zijlstra
On Tue, Oct 01, 2019 at 05:00:25AM +, Zhang, Jun wrote: > Please see my comments. > Please use a normal MUA that can quote text you're replying to. This is unreadable garbage.

RE: [PATCH] x86/PAT: priority the PAT warn to error to highlight the developer

2019-09-30 Thread Zhang, Jun
; linux-kernel@vger.kernel.org Subject: Re: [PATCH] x86/PAT: priority the PAT warn to error to highlight the developer On Sun, Sep 29, 2019 at 03:20:31PM +0800, jun.zh...@intel.com wrote: > From: zhang jun > > Documentation/x86/pat.txt says: > set_memory_uc() or set_memory_wc() must

Re: [PATCH] x86/PAT: priority the PAT warn to error to highlight the developer

2019-09-30 Thread Borislav Petkov
On Sun, Sep 29, 2019 at 03:20:31PM +0800, jun.zh...@intel.com wrote: > From: zhang jun > > Documentation/x86/pat.txt says: > set_memory_uc() or set_memory_wc() must use together with set_memory_wb() I had to open that file to see what it actually says - btw, the filename is pat.rst now - and you

[PATCH] x86/PAT: priority the PAT warn to error to highlight the developer

2019-09-29 Thread jun . zhang
From: zhang jun Documentation/x86/pat.txt says: set_memory_uc() or set_memory_wc() must use together with set_memory_wb() if break the PAT attribute, there are tons of warning like: [ 45.846872] x86/PAT: NDK MediaCodec_:3753 map pfn RAM range req write-combining for [mem 0x1e7a8-0x1e7a87ff