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Mark Brown 0761b0e818 arm64/sme: Don't flush SVE register state when handling SME traps ... commit 714f3cbd70 upstream. Currently as part of handling a SME access trap we flush the SVE register state. This is not needed and would corrupt register state if the task has access to the SVE registers already. For non-streaming mode accesses the required flushing will be done in the SVE access trap. For streaming mode SVE register accesses the architecture guarantees that the register state will be flushed when streaming mode is entered or exited so there is no need for us to do so. Simply remove the register initialisation. Fixes: 8bd7f91c03 ("arm64/sme: Implement traps and syscall handling for SME") Signed-off-by: Mark Brown <broonie@kernel.org> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Link: https://lore.kernel.org/r/20220817182324.638214-5-broonie@kernel.org Signed-off-by: Will Deacon <will@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		History 2022-08-31 17:18:20 +02:00
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boot	arm64: dts: qcom: qcs404: Fix incorrect USB2 PHYs assignment	2022-08-17 15:14:19 +02:00
configs	- Enable essential PMIC and regulatro drivers for MT8195.	2022-05-13 14:02:30 +02:00
crypto	crypto: arm64/gcm - Select AEAD for GHASH_ARM64_CE	2022-08-17 15:14:38 +02:00
hyperv	arm64: hyperv: Initialize hypervisor on boot	2021-08-04 16:54:36 +00:00
include	arm64/sme: Don't flush SVE register state when allocating SME storage	2022-08-31 17:18:20 +02:00
kernel	arm64/sme: Don't flush SVE register state when handling SME traps	2022-08-31 17:18:20 +02:00
kvm	KVM: arm64: Reject 32bit user PSTATE on asymmetric systems	2022-08-25 11:45:38 +02:00
lib	S390:	2022-05-26 14:20:14 -07:00
mm	arm64: fix rodata=full	2022-08-31 17:18:19 +02:00
net	bpf, arm64: Clear prog->jited_len along prog->jited	2022-06-07 10:40:53 -07:00
tools	arm64: errata: Remove AES hwcap for COMPAT tasks	2022-08-17 15:14:00 +02:00
xen	xen: allow pv-only hypercalls only with CONFIG_XEN_PV	2021-11-02 08:11:01 -05:00
Kbuild	kbuild: use more subdir- for visiting subdirectories while cleaning	2021-10-24 13:49:46 +09:00
Kconfig	arm64: select TRACE_IRQFLAGS_NMI_SUPPORT	2022-08-17 15:14:09 +02:00
Kconfig.debug	arm64: remove TEXT_OFFSET randomization	2020-06-15 13:10:59 +01:00
Kconfig.platforms	arm64 updates for 5.19:	2022-05-23 21:06:11 -07:00
Makefile	kbuild: factor out the common installation code into scripts/install.sh	2022-05-11 21:45:53 +09:00