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

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

2019-02-13 Thread Peng Fan
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 to reflect the comment, so remove it. Signed-off-by: Peng Fan --- ar