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Fri, 3 May 2024 06:02:55 -0700 (PDT) From: Joey Gouly To: linux-arm-kernel@lists.infradead.org Cc: akpm@linux-foundation.org, aneesh.kumar@kernel.org, aneesh.kumar@linux.ibm.com, bp@alien8.de, broonie@kernel.org, catalin.marinas@arm.com, christophe.leroy@csgroup.eu, dave.hansen@linux.intel.com, hpa@zytor.com, joey.gouly@arm.com, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, maz@kernel.org, mingo@redhat.com, mpe@ellerman.id.au, naveen.n.rao@linux.ibm.com, npiggin@gmail.com, oliver.upton@linux.dev, shuah@kernel.org, szabolcs.nagy@arm.com, tglx@linutronix.de, will@kernel.org, x86@kernel.org, kvmarm@lists.linux.dev Subject: [PATCH v4 19/29] arm64: enable PKEY support for CPUs with S1POE Date: Fri, 3 May 2024 14:01:37 +0100 Message-Id: <20240503130147.1154804-20-joey.gouly@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240503130147.1154804-1-joey.gouly@arm.com> References: <20240503130147.1154804-1-joey.gouly@arm.com> MIME-Version: 1.0 X-Rspamd-Queue-Id: 3EA95100028 X-Rspam-User: X-Rspamd-Server: rspam04 X-Stat-Signature: ji8rqa48zkbt8wqg1smkctwp8knbahu5 X-HE-Tag: 1714741379-936196 X-HE-Meta: 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 jDzHGWs2 3KaJc8/X9rK+5/q4+Kl2wsfJqkQxN9JL+OKtFwf7Yad6LM0vsi2RbR37qSMHcR9l56EkdWc2vIxeA4EkT1SRDZ+grJSuv84ZdH6/FgcOv96bBKgfksRhm2t92MaBHwCPKbugq/Em+zqzkhWKLdXs6ixFAjjvcaDJryVhA3f0iRyQO2OjnbiehXNXS3clLOIEtz/758zhThCIi6v1ZwulvvWphUA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Now that PKEYs support has been implemented, enable it for CPUs that support S1POE. Signed-off-by: Joey Gouly Cc: Catalin Marinas Cc: Will Deacon Acked-by: Catalin Marinas --- arch/arm64/include/asm/pkeys.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/pkeys.h b/arch/arm64/include/asm/pkeys.h index a284508a4d02..3ea928ec94c0 100644 --- a/arch/arm64/include/asm/pkeys.h +++ b/arch/arm64/include/asm/pkeys.h @@ -17,7 +17,7 @@ int arch_set_user_pkey_access(struct task_struct *tsk, int pkey, static inline bool arch_pkeys_enabled(void) { - return false; + return system_supports_poe(); } static inline int vma_pkey(struct vm_area_struct *vma)