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Miller" , Eric Dumazet , Gerald Schaefer , Vasily Gorbik , Heiko Carstens , "H. 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Feb 21, 2024 at 07:22:06PM +0000, Will Deacon wrote: > On Tue, Feb 20, 2024 at 09:17:08PM -0400, Jason Gunthorpe wrote: > > +static inline void __const_memcpy_toio_aligned64(volatile u64 __iomem *to, > > + const u64 *from, size_t count) > > +{ > > + switch (count) { > > + case 8: > > + asm volatile("str %x0, [%8, #8 * 0]\n" > > + "str %x1, [%8, #8 * 1]\n" > > + "str %x2, [%8, #8 * 2]\n" > > + "str %x3, [%8, #8 * 3]\n" > > + "str %x4, [%8, #8 * 4]\n" > > + "str %x5, [%8, #8 * 5]\n" > > + "str %x6, [%8, #8 * 6]\n" > > + "str %x7, [%8, #8 * 7]\n" > > + : > > + : "rZ"(from[0]), "rZ"(from[1]), "rZ"(from[2]), > > + "rZ"(from[3]), "rZ"(from[4]), "rZ"(from[5]), > > + "rZ"(from[6]), "rZ"(from[7]), "r"(to)); > > + break; > > + case 4: > > + asm volatile("str %x0, [%4, #8 * 0]\n" > > + "str %x1, [%4, #8 * 1]\n" > > + "str %x2, [%4, #8 * 2]\n" > > + "str %x3, [%4, #8 * 3]\n" > > + : > > + : "rZ"(from[0]), "rZ"(from[1]), "rZ"(from[2]), > > + "rZ"(from[3]), "r"(to)); > > + break; > > + case 2: > > + asm volatile("str %x0, [%2, #8 * 0]\n" > > + "str %x1, [%2, #8 * 1]\n" > > + : > > + : "rZ"(from[0]), "rZ"(from[1]), "r"(to)); > > + break; > > + case 1: > > + __raw_writel(*from, to); > > Shouldn't this be __raw_writeq? Yes! Thanks Jason _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel