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[2001:b011:3803:1a96:3716:7fae:2678:9ea1]) by smtp.gmail.com with ESMTPSA id h9-20020aa796c9000000b0056d98e359a5sm2169627pfq.165.2022.11.17.22.00.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Nov 2022 22:00:09 -0800 (PST) From: Wei-Lin Chang To: maz@kernel.org Cc: james.morse@arm.com, alexandru.elisei@arm.com, suzuki.poulose@arm.com, oliver.upton@linux.dev, catalin.marinas@arm.com, will@kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, kvmarm@lists.cs.columbia.edu, linux-kernel@vger.kernel.org, Wei-Lin Chang Subject: [PATCH v2] KVM: arm64: Update comment of create_hyp_mappings Date: Fri, 18 Nov 2022 13:59:37 +0800 Message-Id: <20221118055937.14605-1-r09922117@csie.ntu.edu.tw> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Gm-Spam: 0 X-Gm-Phishy: 0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,T_SPF_TEMPERROR autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1749812894982693899?= X-GMAIL-MSGID: =?utf-8?q?1749812894982693899?= HYP_PAGE_OFFSET is removed since 4.8, and the method for generating Hyp VAs has evolved. Update the functional description of create_hyp_mappings accordingly. Signed-off-by: Wei-Lin Chang --- Changes in v2: - Take Marc's advice arch/arm64/kvm/mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index 8f26c6569..6dda4f4bd 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -479,7 +479,7 @@ void kvm_unshare_hyp(void *from, void *to) * @prot: The protection to be applied to this range * * The same virtual address as the kernel virtual address is also used - * in Hyp-mode mapping (modulo HYP_PAGE_OFFSET) to the same underlying + * in Hyp-mode mapping (modulo a random offset) to the same underlying * physical pages. */ int create_hyp_mappings(void *from, void *to, enum kvm_pgtable_prot prot)