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62c034f6d4
Restore the SIMD optimization for 4.19.38 LTS, 4.14.120 LTS, and 5.0 and newer kernels. This commit squashes the following commits from master in to a single commit which can be applied to 0.8.2.10fa2545- Linux 4.14, 4.19, 5.0+ compat: SIMD save/restoreb88ca2ac- Enable SIMD for encryption095b5412- Fix CONFIG_X86_DEBUG_FPU build failuree5db3134- Linux 5.0 compat: SIMD compatibility Reviewed-by: Fabian Grünbichler <f.gruenbichler@proxmox.com> Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> TEST_ZIMPORT_SKIP="yes"
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (C) 2016 Romain Dolbeau <romain@dolbeau.org>.
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*/
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/*
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* USER API:
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*
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* Kernel fpu methods:
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* kfpu_allowed()
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* kfpu_begin()
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* kfpu_end()
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* kfpu_init()
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* kfpu_fini()
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*/
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#ifndef _SIMD_AARCH64_H
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#define _SIMD_AARCH64_H
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#include <sys/isa_defs.h>
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#if defined(__aarch64__)
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#include <sys/types.h>
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#if defined(_KERNEL)
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#include <asm/neon.h>
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#define kfpu_allowed() 1
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#define kfpu_begin() kernel_neon_begin()
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#define kfpu_end() kernel_neon_end()
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#define kfpu_init() 0
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#define kfpu_fini() ((void) 0)
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#else
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/*
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* fpu dummy methods for userspace
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*/
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#define kfpu_allowed() 1
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#define kfpu_begin() do {} while (0)
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#define kfpu_end() do {} while (0)
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#define kfpu_init() 0
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#define kfpu_fini() ((void) 0)
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#endif /* defined(_KERNEL) */
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#endif /* __aarch64__ */
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#endif /* _SIMD_AARCH64_H */
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