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Date: Thu, 22 Jul 2021 15:01:17 +0200 From: Christoph Hellwig <hch@....de> To: Arnd Bergmann <arnd@...nel.org> Cc: linux-arch@...r.kernel.org, Arnd Bergmann <arnd@...db.de>, "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>, Al Viro <viro@...iv.linux.org.uk>, Anton Ivanov <anton.ivanov@...bridgegreys.com>, Brian Cain <bcain@...eaurora.org>, Chris Zankel <chris@...kel.net>, Christian Borntraeger <borntraeger@...ibm.com>, Christoph Hellwig <hch@....de>, Guo Ren <guoren@...nel.org>, Heiko Carstens <hca@...ux.ibm.com>, Helge Deller <deller@....de>, Jeff Dike <jdike@...toit.com>, Linus Walleij <linus.walleij@...aro.org>, Max Filippov <jcmvbkbc@...il.com>, Michal Simek <monstr@...str.eu>, Richard Weinberger <richard@....at>, Thomas Bogendoerfer <tsbogend@...ha.franken.de>, Vasily Gorbik <gor@...ux.ibm.com>, Vineet Gupta <vgupta@...opsys.com>, Yoshinori Sato <ysato@...rs.sourceforge.jp>, linux-csky@...r.kernel.org, linux-hexagon@...r.kernel.org, linux-ia64@...r.kernel.org, linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org, linux-parisc@...r.kernel.org, linux-s390@...r.kernel.org, linux-snps-arc@...ts.infradead.org, linux-um@...ts.infradead.org, linux-xtensa@...ux-xtensa.org, uclinux-h8-devel@...ts.sourceforge.jp Subject: Re: [PATCH v3 5/9] csky: use generic strncpy/strnlen from_user On Thu, Jul 22, 2021 at 02:48:10PM +0200, Arnd Bergmann wrote: > From: Arnd Bergmann <arnd@...db.de> > > Remove the csky implemenation of strncpy/strnlen and instead use the > generic versions. The csky version is fairly slow because it always does > byte accesses even for aligned data, and it lacks a checks for > user_addr_max(). Looks good, Reviewed-by: Christoph Hellwig <hch@....de>
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