From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 28 Feb 2018 13:08:28 +0100 From: Greg KH To: Alex Shi Cc: Marc Zyngier , Will Deacon , Ard Biesheuvel , Catalin Marinas , stable@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 01/29] arm64: mm: Use non-global mappings for kernel space Message-ID: <20180228120828.GB8453@kroah.com> References: <1519790211-16582-1-git-send-email-alex.shi@linaro.org> <1519790211-16582-2-git-send-email-alex.shi@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1519790211-16582-2-git-send-email-alex.shi@linaro.org> User-Agent: Mutt/1.9.3 (2018-01-21) X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Wed, Feb 28, 2018 at 11:56:23AM +0800, Alex Shi wrote: > From: Will Deacon > > 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 > Tested-by: Laura Abbott > Tested-by: Shanker Donthineni > Signed-off-by: Will Deacon > Signed-off-by: Alex Shi > > 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