Message ID | 20230912141549.278777-117-ardb@google.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Tue, 12 Sep 2023 07:19:26 -0700 (PDT) Date: Tue, 12 Sep 2023 14:16:44 +0000 In-Reply-To: <20230912141549.278777-63-ardb@google.com> Mime-Version: 1.0 References: <20230912141549.278777-63-ardb@google.com> X-Developer-Key: i=ardb@kernel.org; a=openpgp; fpr=F43D03328115A198C90016883D200E9CA6329909 X-Developer-Signature: v=1; a=openpgp-sha256; l=1822; i=ardb@kernel.org; h=from:subject; bh=CRvId4fOeua2UCLYyJMWyj3lTxC7N11/FgVB0VS/pms=; b=owGbwMvMwCFmkMcZplerG8N4Wi2JIZWh6Hzwsarzh4umPxDxSTtr4PgygvevnqfkLf19wXPjK q76ptV1lLIwiHEwyIopsgjM/vtu5+mJUrXOs2Rh5rAygQxh4OIUgImIzmT4p9O1md+hQLqe3/r5 wfm1XS567RN4GF+tMZjHm7qE0S7lAsN/P6lld0sCZzQL2plWf0ueZC5i0Lbjx7SJ174/qF/Fvs2 XFwA= X-Mailer: git-send-email 2.42.0.283.g2d96d420d3-goog Message-ID: <20230912141549.278777-117-ardb@google.com> Subject: [PATCH v4 54/61] arm64: ptdump: Disregard unaddressable VA space From: Ard Biesheuvel <ardb@google.com> To: linux-arm-kernel@lists.infradead.org Cc: Ard Biesheuvel <ardb@kernel.org>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Ryan Roberts <ryan.roberts@arm.com>, Anshuman Khandual <anshuman.khandual@arm.com>, Kees Cook <keescook@chromium.org>, Joey Gouly <joey.gouly@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230912_071928_684114_5CC46404 X-CRM114-Status: GOOD ( 17.87 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 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> 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+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
Series |
arm64: Add support for LPA2 at stage1 and WXN
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expand
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diff --git a/arch/arm64/mm/ptdump.c b/arch/arm64/mm/ptdump.c index f3fdbf3bb6ad..221baaf521fa 100644 --- a/arch/arm64/mm/ptdump.c +++ b/arch/arm64/mm/ptdump.c @@ -313,7 +313,6 @@ static void __init ptdump_initialize(void) static struct ptdump_info kernel_ptdump_info __ro_after_init = { .mm = &init_mm, - .base_addr = PAGE_OFFSET, }; void ptdump_check_wx(void) @@ -329,7 +328,7 @@ void ptdump_check_wx(void) .ptdump = { .note_page = note_page, .range = (struct ptdump_range[]) { - {PAGE_OFFSET, ~0UL}, + {_PAGE_OFFSET(vabits_actual), ~0UL}, {0, 0} } } @@ -370,6 +369,7 @@ static int __init ptdump_init(void) static struct addr_marker address_markers[ARRAY_SIZE(m)] __ro_after_init; kernel_ptdump_info.markers = memcpy(address_markers, m, sizeof(m)); + kernel_ptdump_info.base_addr = page_offset; ptdump_initialize(); ptdump_debugfs_register(&kernel_ptdump_info, "kernel_page_tables");