/* * linux/lib/raid6/neon.c - RAID6 syndrome calculation using ARM NEON intrinsics * * Copyright (C) 2013 Linaro Ltd * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include #ifdef __KERNEL__ #include #else #define kernel_neon_begin() #define kernel_neon_end() #define cpu_has_neon() (1) #endif /* * There are 2 reasons these wrappers are kept in a separate compilation unit * from the actual implementations in neonN.c (generated from neon.uc by * unroll.awk): * - the actual implementations use NEON intrinsics, and the GCC support header * (arm_neon.h) is not fully compatible (type wise) with the kernel; * - the neonN.c files are compiled with -mfpu=neon and optimization enabled, * and we have to make sure that we never use *any* NEON/VFP instructions * outside a kernel_neon_begin()/kernel_neon_end() pair. */ #define RAID6_NEON_WRAPPER(_n) \ static void raid6_neon ## _n ## _gen_syndrome(int disks, \ size_t bytes, void **ptrs) \ { \ void raid6_neon ## _n ## _gen_syndrome_real(int, \ unsigned long, void**); \ kernel_neon_begin(); \ raid6_neon ## _n ## _gen_syndrome_real(disks, \ (unsigned long)bytes, ptrs); \ kernel_neon_end(); \ } \ static void raid6_neon ## _n ## _xor_syndrome(int disks, \ int start, int stop, \ size_t bytes, void **ptrs) \ { \ void raid6_neon ## _n ## _xor_syndrome_real(int, \ int, int, unsigned long, void**); \ kernel_neon_begin(); \ raid6_neon ## _n ## _xor_syndrome_real(disks, \ start, stop, (unsigned long)bytes, ptrs); \ kernel_neon_end(); \ } \ struct raid6_calls const raid6_neonx ## _n = { \ raid6_neon ## _n ## _gen_syndrome, \ raid6_neon ## _n ## _xor_syndrome, \ raid6_have_neon, \ "neonx" #_n, \ 0 \ } static int raid6_have_neon(void) { return cpu_has_neon(); } RAID6_NEON_WRAPPER(1); RAID6_NEON_WRAPPER(2); RAID6_NEON_WRAPPER(4); RAID6_NEON_WRAPPER(8); ab542dd7ecc398bfa1aeec889934'>diff
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authorJack Morgenstein <jackm@dev.mellanox.co.il>2017-01-15 20:15:00 +0200
committerDoug Ledford <dledford@redhat.com>2017-01-27 14:29:04 -0500
commitb4cfe3971f6eab542dd7ecc398bfa1aeec889934 (patch)
treec7ad49d05da0535170c8e7710cd44ae1cecc271f /include/crypto/internal/geniv.h
parent2d4b21e0a2913612274a69a3ba1bfee4cffc6e77 (diff)
RDMA/cma: Fix unknown symbol when CONFIG_IPV6 is not enabled
If IPV6 has not been enabled in the underlying kernel, we must avoid calling IPV6 procedures in rdma_cm.ko. This requires using "IS_ENABLED(CONFIG_IPV6)" in "if" statements surrounding any code which calls external IPV6 procedures. In the instance fixed here, procedure cma_bind_addr() called ipv6_addr_type() -- which resulted in calling external procedure __ipv6_addr_type(). Fixes: 6c26a77124ff ("RDMA/cma: fix IPv6 address resolution") Cc: <stable@vger.kernel.org> # v4.2+ Cc: Spencer Baugh <sbaugh@catern.com> Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Reviewed-by: Moni Shoua <monis@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/crypto/internal/geniv.h')