From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fI7Z2-0007PU-J2 for barebox@lists.infradead.org; Mon, 14 May 2018 07:06:34 +0000 Date: Mon, 14 May 2018 09:06:20 +0200 From: Sascha Hauer Message-ID: <20180514070620.6g7enpkjen7vouqx@pengutronix.de> References: <20180508212951.6446-1-andrew.smirnov@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20180508212951.6446-1-andrew.smirnov@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH 00/28] ARM MMU code improvements and on-demand PTE allocation To: Andrey Smirnov Cc: barebox@lists.infradead.org Hi Andrey, On Tue, May 08, 2018 at 02:29:23PM -0700, Andrey Smirnov wrote: > Everyone: > > With exeception of patch 27/28, all patches in this series are just > small improvements(IMHO) that I made while working with ARM MMU code. > > Patch 27/28, OTOH, brings a bit of a change to how MMU code allocates > PTEs, postponing that until the users of DMA API actually request > that. > > Feedback is welcome! Very nice cleanup series, thanks for that. Besides the comment I made for 9/28 this all looks very nice. Sascha > > Thanks, > Andrey Smirnov > > Andrey Smirnov (28): > ARM: mmu: Remove unused ARM_VECTORS_SIZE > ARM: mmu: Make use of IS_ALIGNED in arm_mmu_remap_sdram() > ARM: mmu: Use ALIGN and ALIGN_DOWN in map_cachable() > ARM: mmu: Introduce set_ttbr() > ARM: mmu: Introduce set_domain() > ARM: mmu: Share code for create_sections() > ARM: mmu: Separate index and address in create_sections() > sizes.h: Sync with Linux 4.16 > ARM: mmu: Specify size in bytes in create_sections() > ARM: mmu: Share code for initial flat mapping creation > ARM: mmu: Share PMD_SECT_DEF_CACHED > ARM: mmu: Drop needless shifting in map_io_sections() > ARM: mmu: Replace hardcoded shifts with pgd_index() from Linux > ARM: mmu: Trivial simplification in arm_mmu_remap_sdram() > ARM: mmu: Replace various SZ_1M with PGDIR_SIZE > ARM: mmu: Use PAGE_SIZE when specifying size of one page > ARM: mmu: Define and use PTRS_PER_PTE > ARM: mmu: Use PAGE_SIZE instead of magic right shift by 12 > ARM: mmu: Use xmemalign in arm_create_pte() > ARM: mmu: Use xmemalign in mmu_init() > ARM: mmu: Share code between dma_alloc_*() functions > ARM: mmu: Pass PTE flags a parameter to arm_create_pte() > ARM: mmu: Make sure that address is 1M aligned in arm_create_pte() > ARM: mmu: Use find_pte() to find PTE in create_vector_table() > ARM: mmu: Use dma_inv_range() in dma_sync_single_for_cpu() > ARM: mmu: Simplify the use of dma_flush_range() > ARM: mmu: Implement on-demand PTE allocation > ARM: mmu: Introduce ARM_TTB_SIZE > > arch/arm/boards/phytec-som-imx6/lowlevel.c | 1 + > arch/arm/cpu/mmu-early.c | 31 +- > arch/arm/cpu/mmu.c | 321 ++++++++++----------- > arch/arm/cpu/mmu.h | 42 +++ > arch/arm/include/asm/barebox-arm.h | 8 +- > include/linux/sizes.h | 4 + > 6 files changed, 210 insertions(+), 197 deletions(-) > > -- > 2.17.0 > > > _______________________________________________ > barebox mailing list > barebox@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/barebox > -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox