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Mon, 6 May 2024 18:57:35 +1000 (AEST) From: Michael Ellerman To: Joey Gouly , 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, 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: Re: [PATCH v4 01/29] powerpc/mm: add ARCH_PKEY_BITS to Kconfig In-Reply-To: <20240503130147.1154804-2-joey.gouly@arm.com> References: <20240503130147.1154804-1-joey.gouly@arm.com> <20240503130147.1154804-2-joey.gouly@arm.com> Date: Mon, 06 May 2024 18:57:32 +1000 Message-ID: <8734qvnwqr.fsf@mail.lhotse> MIME-Version: 1.0 Content-Type: text/plain X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: C821AC0003 X-Stat-Signature: adfmecxtjn8gzezfa71fupmqcdz574d3 X-Rspam-User: X-HE-Tag: 1714985864-309183 X-HE-Meta: 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 lryk4/d0 b1a708wvq0KpxnVU1DQfoyh0n8tLDoMBaMiSx0UjSZ9VQzl0kAwMlbWclXu2LsapK4I64pq9LFDGqCEMJTyzSQ9FTZl5BliVPx7h99d02/ao5j1cr41cAJRt1a3kxSQD6ucnzJ6JaIj5e7MVrFv5ghKRHEv15XgAWtXzZxAHeV26/QLE07iUPQKupCchd2au7RjfKmlJ0T1RrlTW4vUMDs35mbR6GoKga9AeEmitEDI7YyMDbWo4+G860MYZ84WDmRoFoXPO5thoqi3XH8kDvLTk03khRvk7/qwsB7BAkipOlOHwIAyIBaH2eGYnKyw8/j7cTwYOinq0Ruvct6+rbabtBMNWe68CxcLi3YgvJH242rFvb/g+UN8bCuGqUYnX/muAYB9h6PEUms+/rbKzoJ6+YDr7G6j7Hp/6U 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: Joey Gouly writes: > The new config option specifies how many bits are in each PKEY. > > Signed-off-by: Joey Gouly > Cc: Michael Ellerman > Cc: Nicholas Piggin > Cc: Christophe Leroy > Cc: "Aneesh Kumar K.V" > Cc: "Naveen N. Rao" > Cc: linuxppc-dev@lists.ozlabs.org > --- > arch/powerpc/Kconfig | 4 ++++ > 1 file changed, 4 insertions(+) Acked-by: Michael Ellerman (powerpc) cheers > diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig > index 1c4be3373686..6e33e4726856 100644 > --- a/arch/powerpc/Kconfig > +++ b/arch/powerpc/Kconfig > @@ -1020,6 +1020,10 @@ config PPC_MEM_KEYS > > If unsure, say y. > > +config ARCH_PKEY_BITS > + int > + default 5 > + > config PPC_SECURE_BOOT > prompt "Enable secure boot support" > bool > -- > 2.25.1