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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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87bb39ed40
Now that the hypervisor is handling the host sve state in
protected mode, it needs to be able to save it.
This reverts commit e66425fc9b ("KVM: arm64: Remove unused
__sve_save_state").
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Fuad Tabba <tabba@google.com>
Link: https://lore.kernel.org/r/20240603122852.3923848-2-tabba@google.com
Signed-off-by: Marc Zyngier <maz@kernel.org>
33 lines
612 B
ArmAsm
33 lines
612 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2015 - ARM Ltd
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* Author: Marc Zyngier <marc.zyngier@arm.com>
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*/
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#include <linux/linkage.h>
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#include <asm/fpsimdmacros.h>
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.text
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SYM_FUNC_START(__fpsimd_save_state)
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fpsimd_save x0, 1
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ret
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SYM_FUNC_END(__fpsimd_save_state)
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SYM_FUNC_START(__fpsimd_restore_state)
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fpsimd_restore x0, 1
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ret
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SYM_FUNC_END(__fpsimd_restore_state)
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SYM_FUNC_START(__sve_restore_state)
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mov x2, #1
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sve_load 0, x1, x2, 3
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ret
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SYM_FUNC_END(__sve_restore_state)
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SYM_FUNC_START(__sve_save_state)
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mov x2, #1
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sve_save 0, x1, x2, 3
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ret
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SYM_FUNC_END(__sve_save_state)
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