lkml.org 
[lkml]   [2018]   [Feb]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: 答复: [RFC patch] i oremap : don't set up huge I/O mappings when p4d/pud/pmd is zero
On Tue, Feb 27, 2018 at 07:49:42PM +0000, Kani, Toshi wrote:
> On Mon, 2018-02-26 at 20:53 +0800, Hanjun Guo wrote:
> > On 2018/2/26 19:04, Will Deacon wrote:
> > > On Mon, Feb 26, 2018 at 06:57:20PM +0800, Hanjun Guo wrote:
> > > > Simply do something below at now (before the broken code is fixed)?
> > > >
> > > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> > > > index b2b95f7..a86148c 100644
> > > > --- a/arch/arm64/Kconfig
> > > > +++ b/arch/arm64/Kconfig
> > > > @@ -84,7 +84,6 @@ config ARM64
> > > > select HAVE_ALIGNED_STRUCT_PAGE if SLUB
> > > > select HAVE_ARCH_AUDITSYSCALL
> > > > select HAVE_ARCH_BITREVERSE
> > > > - select HAVE_ARCH_HUGE_VMAP
> > > > select HAVE_ARCH_JUMP_LABEL
> > > > select HAVE_ARCH_KASAN if !(ARM64_16K_PAGES && ARM64_VA_BITS_48)
> > > > select HAVE_ARCH_KGDB
> > >
> > > No, that actually breaks with the use of block mappings for the kernel
> > > text. Anyway, see:
> > >
> > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=15122ee2c515a253b0c66a3e618bc7ebe35105eb
> >
> > Sorry, just back from holidays and didn't catch up with all the emails,
> > thanks for taking care of this.
>
> I will work on a fix for the common/x86 code.

Ace, thanks. I'm more than happy to review any changes you make to the core
code from a break-before-make perspective. Just stick me on cc.

Cheers,

Will

\
 
 \ /
  Last update: 2018-02-27 20:59    [W:0.047 / U:0.308 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site