Messages in this thread | | | Subject | Re: [PATCH 01/29] arm64: mm: Use non-global mappings for kernel space | From | Alex Shi <> | Date | Thu, 1 Mar 2018 19:53:55 +0800 |
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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
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