Message ID | 20190227170608.27963-15-steven.price@arm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Received: from foss.arm.com ([217.140.101.70]) by merlin.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gz2fx-0005Ts-Qi for linux-arm-kernel@lists.infradead.org; Wed, 27 Feb 2019 17:07:23 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 9F2011684; Wed, 27 Feb 2019 09:07:21 -0800 (PST) Received: from e112269-lin.arm.com (e112269-lin.cambridge.arm.com [10.1.196.69]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id CAC793F738; Wed, 27 Feb 2019 09:07:17 -0800 (PST) From: Steven Price <steven.price@arm.com> To: linux-mm@kvack.org Subject: [PATCH v3 14/34] openrisc: mm: Add p?d_large() definitions Date: Wed, 27 Feb 2019 17:05:48 +0000 Message-Id: <20190227170608.27963-15-steven.price@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190227170608.27963-1-steven.price@arm.com> References: <20190227170608.27963-1-steven.price@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190227_120721_980451_71E25118 X-CRM114-Status: GOOD ( 14.37 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Cc: Mark Rutland <Mark.Rutland@arm.com>, Peter Zijlstra <peterz@infradead.org>, Catalin Marinas <catalin.marinas@arm.com>, Dave Hansen <dave.hansen@linux.intel.com>, Will Deacon <will.deacon@arm.com>, "H. Peter Anvin" <hpa@zytor.com>, Stafford Horne <shorne@gmail.com>, "Liang, Kan" <kan.liang@linux.intel.com>, Jonas Bonn <jonas@southpole.se>, x86@kernel.org, Steven Price <steven.price@arm.com>, Ingo Molnar <mingo@redhat.com>, Arnd Bergmann <arnd@arndb.de>, Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>, =?utf-8?b?SsOpcsO0?= =?utf-8?b?bWUgR2xpc3Nl?= <jglisse@redhat.com>, openrisc@lists.librecores.org, Borislav Petkov <bp@alien8.de>, Andy Lutomirski <luto@kernel.org>, Thomas Gleixner <tglx@linutronix.de>, linux-arm-kernel@lists.infradead.org, Ard Biesheuvel <ard.biesheuvel@linaro.org>, linux-kernel@vger.kernel.org, James Morse <james.morse@arm.com> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
Convert x86 & arm64 to use generic page walk
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expand
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diff --git a/arch/openrisc/include/asm/pgtable.h b/arch/openrisc/include/asm/pgtable.h index 21c71303012f..5a375104ef71 100644 --- a/arch/openrisc/include/asm/pgtable.h +++ b/arch/openrisc/include/asm/pgtable.h @@ -228,6 +228,7 @@ extern unsigned long empty_zero_page[2048]; #define pmd_none(x) (!pmd_val(x)) #define pmd_bad(x) ((pmd_val(x) & (~PAGE_MASK)) != _KERNPG_TABLE) #define pmd_present(x) (pmd_val(x) & _PAGE_PRESENT) +#define pmd_large(x) (0) #define pmd_clear(xp) do { pmd_val(*(xp)) = 0; } while (0) /*
walk_page_range() is going to be allowed to walk page tables other than those of user space. For this it needs to know when it has reached a 'leaf' entry in the page tables. This information is provided by the p?d_large() functions/macros. For openrisc, we don't support large pages, so add a stub returning 0. CC: Jonas Bonn <jonas@southpole.se> CC: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> CC: Stafford Horne <shorne@gmail.com> CC: openrisc@lists.librecores.org Signed-off-by: Steven Price <steven.price@arm.com> --- arch/openrisc/include/asm/pgtable.h | 1 + 1 file changed, 1 insertion(+)