RE: [PATCH 2/3] arm64: mmu: early_pgtable_alloc: remove unnecessary comments

2019-02-13 Thread Peng Fan
@arm.com; > linux-arm-ker...@lists.infradead.org; linux-kernel@vger.kernel.org; > van.free...@gmail.com > Subject: Re: [PATCH 2/3] arm64: mmu: early_pgtable_alloc: remove > unnecessary comments > > On Wed, Feb 13, 2019 at 09:37:29AM +, Peng Fan wrote: > > The empty z

Re: [PATCH 2/3] arm64: mmu: early_pgtable_alloc: remove unnecessary comments

2019-02-13 Thread Mark Rutland
On Wed, Feb 13, 2019 at 09:37:29AM +, Peng Fan wrote: > The empty zero page has been moved to bss area by > commit 5227cfa71f9e ("arm64: mm: place empty_zero_page in bss"), > and it alreay added "dsb ishst" in head.S to make sure the empty > zero page visible to PTW. > > There is no code t