lkml.org 
[lkml]   [2018]   [Feb]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 01/29] arm64: mm: Use non-global mappings for kernel space
On Wed, Feb 28, 2018 at 11:56:23AM +0800, Alex Shi wrote:
> From: Will Deacon <will.deacon@arm.com>
>
> commit e046eb0c9bf2 upstream.
>
> In preparation for unmapping the kernel whilst running in userspace,
> make the kernel mappings non-global so we can avoid expensive TLB
> invalidation on kernel exit to userspace.
>
> Reviewed-by: Mark Rutland <mark.rutland@arm.com>
> Tested-by: Laura Abbott <labbott@redhat.com>
> Tested-by: Shanker Donthineni <shankerd@codeaurora.org>
> Signed-off-by: Will Deacon <will.deacon@arm.com>
> Signed-off-by: Alex Shi <alex.shi@linaro.org>
>
> Conflicts:
> skip PTE_RDONLY of PAGE_NONE in arch/arm64/include/asm/pgtable-prot.h

These "Conflicts:" lines need to be removed, or put below the --- line
please.

thanks,

greg k-h

\
 
 \ /
  Last update: 2018-02-28 13:08    [W:0.355 / U:28.860 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site