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Fri, 27 Oct 2023 11:09:41 -0700 (PDT) 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 v2 16/24] arm64: enable PKEY support for CPUs with S1POE Date: Fri, 27 Oct 2023 19:08:42 +0100 Message-Id: <20231027180850.1068089-17-joey.gouly@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231027180850.1068089-1-joey.gouly@arm.com> References: <20231027180850.1068089-1-joey.gouly@arm.com> MIME-Version: 1.0 X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: E656740006 X-Stat-Signature: m7q6utc6hriyqwez9di3ofqbf5abd1mc X-HE-Tag: 1698430183-573592 X-HE-Meta: U2FsdGVkX1+PVVr1Lznz/jzAp/0PP2pqaKhIh8+dmBIu/ZhpUJj+jGhGsH/Lfpag3BmtHG+uVLm6bqBzgnpcRrtZSGGIp7Oq16ighue/Ye+yAK+B1g17SEThfdUsyyfHGzM70HUdOZfGGMEuoHruXbxHtUS1M/u4Q/IfiO0oMUV13C5+ppI83OjPrCx+FlUB7gO3nGRHnoE2hbrr459zeIu0WXpG9iG6Rjkkxs3140fXCHiyZ8+PBIWZ90KL9QM6SdVX3LpJuFH081OEsmwEp1VelH+FRMXW45DVFCE36oCCfX2Z3FlJCghKPk7/LHv5YU+g8I1vUtv1N/9Y2hQU8m1SmYIdNChoefzezzrHCE3xXCi7q82IhaazDZwfPG7v0Z7WIyYa2o/7IxvCvQbBzf68EfiMT2eUtAx7Df+8yDj+TZ1u89KgcQhRud6A1ZAN6tG7WhdgHZJe/P03UBUF1I3BpquE+Q71Kip7wnEFzgbtxZ6OeGraqqSzVea6cS0GqBJgNCVGz8zgctiPyvw/lfDpm3TR2eWUy9vAxeIwn+B0ka4q4tMxJcbPtjUZPRnii0RgYg7hGr38cZIApOQVBjF5ssq+bys4z46A5I8LlYYdxqkgc9Sg6eHYoiaU8RCLJvw2fAjz+B5AhoKBytCrWdj3aGaJ3UeDZ3nNIk4QIbRQVdkckXksSeiH3fLoZakROYatxzuwGduAwADZnySZgpX5hkUG6cnY+FUrtdn4ZAsskwwy60Vj+la66tlo/6Mf8lNMDDM7CPmN7d2nrEUWG34vvfhUQLKU7q1yghJWWFvijrv3z6T3nYxuRxIW6VUpQ54J8P/bVbEt6op/g1yFN+hhDOOD0yG2U/uPwcSMzPM6PsgJheqPduUUbOuClJe0/bglBVcecpYNXS3oAf4s9Tebk+fFPh25+kL8RbWEnrbuoeObAOhPO1xmOBQVi8pPXCLUTlXvI97BbVfcWyc KrAzNIZS V9sVLSZh1nHRQrOWxHfstqKnIg/W6WBXOPWICbZ7zbeuKORF1gDo47nQoUeKwzootCi6bDE30jY9UNXjlq2rrd9ncuI1B6cFtaQU5Ymjy6Jd7ueXHQs7MKl1aRvt+XqhOvhaIyS40ZC5ezPKEUYUEIVy3jrA2v4fPcrohmXInWnsO+DrdJJUtMwHDgNdSsCoA3VxjSXnH2lxSllwBFxc5svia8w== 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 --- 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)