On 02/28/2018 08:08 PM, Greg KH wrote:
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 response! Greg,
There are still a boot hang on one of renesas board on CONFIG_RANDOMIZE_BASE. I am trying to get help from Renesas guys help on this. I will back after fix it.
https://kernelci.org/boot/id/5a96f3dd59b5146590b3a4d5/
Thanks Alex