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Open Source and information security mailing list archives
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Date: Sun, 16 Feb 2020 08:22:30 +0000 From: Russell King - ARM Linux admin <linux@...linux.org.uk> To: Mike Rapoport <rppt@...nel.org> Cc: linux-kernel@...r.kernel.org, Andrew Morton <akpm@...ux-foundation.org>, Arnd Bergmann <arnd@...db.de>, Benjamin Herrenschmidt <benh@...nel.crashing.org>, Brian Cain <bcain@...eaurora.org>, Catalin Marinas <catalin.marinas@....com>, Christophe Leroy <christophe.leroy@....fr>, Fenghua Yu <fenghua.yu@...el.com>, Geert Uytterhoeven <geert+renesas@...der.be>, Guan Xuetao <gxt@....edu.cn>, James Morse <james.morse@....com>, Jonas Bonn <jonas@...thpole.se>, Julien Thierry <julien.thierry.kdev@...il.com>, Ley Foon Tan <ley.foon.tan@...el.com>, Marc Zyngier <maz@...nel.org>, Michael Ellerman <mpe@...erman.id.au>, Paul Mackerras <paulus@...ba.org>, Rich Felker <dalias@...c.org>, Stafford Horne <shorne@...il.com>, Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>, Suzuki K Poulose <suzuki.poulose@....com>, Tony Luck <tony.luck@...el.com>, Will Deacon <will@...nel.org>, Yoshinori Sato <ysato@...rs.sourceforge.jp>, kvmarm@...ts.cs.columbia.edu, kvm-ppc@...r.kernel.org, linux-arch@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-hexagon@...r.kernel.org, linux-ia64@...r.kernel.org, linux-mm@...ck.org, linuxppc-dev@...ts.ozlabs.org, linux-sh@...r.kernel.org, nios2-dev@...ts.rocketboards.org, openrisc@...ts.librecores.org, uclinux-h8-devel@...ts.sourceforge.jp, Mike Rapoport <rppt@...ux.ibm.com> Subject: Re: [PATCH v2 00/13] mm: remove __ARCH_HAS_5LEVEL_HACK On Sun, Feb 16, 2020 at 10:18:30AM +0200, Mike Rapoport wrote: > From: Mike Rapoport <rppt@...ux.ibm.com> > > Hi, > > These patches convert several architectures to use page table folding and > remove __ARCH_HAS_5LEVEL_HACK along with include/asm-generic/5level-fixup.h. > > The changes are mostly about mechanical replacement of pgd accessors with p4d > ones and the addition of higher levels to page table traversals. > > All the patches were sent separately to the respective arch lists and > maintainers hence the "v2" prefix. You fail to explain why this change which adds 488 additional lines of code is desirable. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up According to speedtest.net: 11.9Mbps down 500kbps up
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