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Thu, 27 Feb 2025 14:14:00 +0000 Date: Thu, 27 Feb 2025 14:13:59 +0000 Message-ID: <86zfi7pja0.wl-maz@kernel.org> From: Marc Zyngier To: Fuad Tabba Cc: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, oliver.upton@linux.dev, mark.rutland@arm.com, will@kernel.org, joey.gouly@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, catalin.marinas@arm.com, broonie@kernel.org, qperret@google.com, vdonnefort@google.com Subject: Re: [PATCH v2 0/4] KVM: arm64: Fix initializing HCRX_EL2 and other traps in pKVM In-Reply-To: <20250226215520.1759218-1-tabba@google.com> References: <20250226215520.1759218-1-tabba@google.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/29.4 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: tabba@google.com, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, oliver.upton@linux.dev, mark.rutland@arm.com, will@kernel.org, joey.gouly@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, catalin.marinas@arm.com, broonie@kernel.org, qperret@google.com, vdonnefort@google.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, 26 Feb 2025 21:55:16 +0000, Fuad Tabba wrote: > > Changes since v1 [*]: > - Factor out setting HCRX_EL2 traps into a separate function and > share logic between protected and non-protected modes > - Rebase on Linux 6.14-rc4 > > For context, please refer to v1 [*]. > > Cheers, > /fuad > > [*] https://lore.kernel.org/all/20250214150258.464798-1-tabba@google.com/ > > Fuad Tabba (4): > KVM: arm64: Factor out setting HCRX_EL2 traps into separate function > KVM: arm64: Initialize HCRX_EL2 traps in pKVM > KVM: arm64: Factor out pKVM hyp vcpu creation to separate function > KVM: arm64: Create each pKVM hyp vcpu after its corresponding host > vcpu > > arch/arm64/include/asm/kvm_emulate.h | 24 +++++++++ > arch/arm64/include/asm/kvm_host.h | 2 + > arch/arm64/include/asm/kvm_pkvm.h | 1 + > arch/arm64/kvm/arm.c | 4 ++ > arch/arm64/kvm/hyp/include/nvhe/pkvm.h | 6 --- > arch/arm64/kvm/hyp/nvhe/pkvm.c | 62 ++++++++++++++--------- > arch/arm64/kvm/pkvm.c | 70 +++++++++++++------------- > arch/arm64/kvm/sys_regs.c | 20 +------- > 8 files changed, 104 insertions(+), 85 deletions(-) > > > base-commit: d082ecbc71e9e0bf49883ee4afd435a77a5101b6 Reviewed-by: Marc Zyngier M. -- Without deviation from the norm, progress is not possible.