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Date: Sat, 21 Nov 2015 04:18:11 +0200 From: Sagi Grimberg <sagig@....mellanox.co.il> To: Arnd Bergmann <arnd@...db.de>, Or Gerlitz <ogerlitz@...lanox.com>, Sagi Grimberg <sagig@...lanox.com> Cc: nico@...xnic.net, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Roi Dayan <roid@...lanox.com>, Doug Ledford <dledford@...hat.com>, Sean Hefty <sean.hefty@...el.com>, Hal Rosenstock <hal.rosenstock@...il.com>, linux-rdma@...r.kernel.org Subject: Re: [PATCH] IB/iser: use sector_div instead of do_div > do_div is the wrong way to divide a sector_t, as it is less > efficient when sector_t is 32-bit wide. With the upcoming > do_div optimizations, the kernel starts warning about this: > > drivers/infiniband/ulp/iser/iser_verbs.c:1296:4: note: in expansion of macro 'do_div' > include/asm-generic/div64.h:224:22: warning: passing argument 1 of '__div64_32' from incompatible pointer type > > This changes the code to use sector_div instead, which always > produces optimal code. > > Signed-off-by: Arnd Bergmann <arnd@...db.de> Thanks Arnd, Reviewed-by: Sagi Grimberg <sagig@...lanox.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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