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Fri, 24 Nov 2023 08:35:59 -0800 (PST) From: Joey Gouly To: linux-arm-kernel@lists.infradead.org Cc: akpm@linux-foundation.org, aneesh.kumar@linux.ibm.com, broonie@kernel.org, catalin.marinas@arm.com, dave.hansen@linux.intel.com, joey.gouly@arm.com, maz@kernel.org, oliver.upton@linux.dev, shuah@kernel.org, will@kernel.org, kvmarm@lists.linux.dev, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, James Morse , Suzuki K Poulose , Zenghui Yu Subject: [PATCH v3 16/25] arm64: enable PKEY support for CPUs with S1POE Date: Fri, 24 Nov 2023 16:35:01 +0000 Message-Id: <20231124163510.1835740-17-joey.gouly@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231124163510.1835740-1-joey.gouly@arm.com> References: <20231124163510.1835740-1-joey.gouly@arm.com> MIME-Version: 1.0 X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 5DA8340016 X-Stat-Signature: gf9kdjxftieau6kyempsjzpcndejzooj X-HE-Tag: 1700843762-161082 X-HE-Meta: U2FsdGVkX1/VJC5Ceh+YEE2ZPpICrwEeLALIdqaeoEYYmy2KCOzEbsUl5fJgSn3nC9fO9Ms8sT18+CFvhKpyrnuiHvg85JYQDTym9IdxxgU9GcSyVOXiOY6lXvjBu34eXwvYXnw7gal6pRH0d24eEBKjRALg2BIkGwegoMFatnEwk1XdxCXsVwfwfYYb6PbFahTntM2y4JUy00Q6LPW0IITr67/6Gjro/XHu82OVvnKiIp1hky3CFqyz0TsGHBVkLlSeOOps3fGQMZoBHrMpxe+nSwhrrgsv/h6anF8XOEMb3A8Z6pvk+N7zQa6F5Y7/bn9PL/BKnJXDbmyUKqTPve1SgFVMf3X7nGIDmIRAYSdd/Y99bVXe2seoRjR5XOjnuAkYEg55wuyoVCvRzLq9lf2Mt7vIrpK78sdKc7Du4v3JMu/9ywsnDEKeZl6TGuUoTCTYAOOlGAXy2oIUPx2qFRbrNOL4FuK/Up3cSpUKWhm6IvnX7XZMESJBclI9WjXnSJvyDm+iILYLrU6eFbvim4Jb/TvTFSOeIJqWNtwWkxbVCjChKY5RcnNPiHO3fv9qVnorpPb39zQ2Ye8ahsavj0QgZ2YCmnB6k9a3euEksh7h6IgADTAsEJ/NrxpJYcBUNnszFsDf2/ThUyrWzfgwqdrHm/umkGIkBvbtjoqJTcA8P+ApEzChVuItrxuRbqXSU0RycLRVuX+PzCapDwKoBIFE/rSTP89fiPzSl+6VO6137NmBIAY6NRT97ZRpH9wBe2smfk1NQ6RlhwsdZ5/UkHtpst8a4IQYXawDS1AEPJKnR0jLhph1JyFaqY8DH3qm/H9K8oMsN2+gQkVJHPxgFBOka784MgE+ZiAYQKojhl05KX7pF08c1NbJ041AQH0ByMGLTBY3RIvkENdg4STJVvh7BQ1RVgil2LEkwDTB8g1LyZubgNLNpBL1zue+t+Bh2pPAi3m4m/FmL1suB+4 OL0k/Pbo 3FuuIXyTYD1iq7YB+lwDl3FXlBqTzbRTcn0ihiIHc61AA70tiI9+8dMkdEgwCgyLR70l+WAjVjtcf/x/CX4W/yTCTsougN9N2YQqdlq1tRgRQISxWbk7mVebCTHEpitfSPWwaMpW1Llqjhv/mQOUXzff6906Ps+ie5Fh1TEC8Dxbq/1ydbS8tMCS/a/XAw8BhdsOrn9/8AY4A6XBtMduN9LZQgrioL1y0DEP9SAXAaMmckQYZ9Yhf2ZdQUA== 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 a80c654da93d..23c473300058 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)