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Thu, 25 Feb 2021 17:23:25 +0000 (UTC) To: George Kennedy , Mike Rapoport Cc: Andrey Konovalov , Andrew Morton , Catalin Marinas , Vincenzo Frascino , Dmitry Vyukov , Konrad Rzeszutek Wilk , Will Deacon , Andrey Ryabinin , Alexander Potapenko , Marco Elver , Peter Collingbourne , Evgenii Stepanov , Branislav Rankov , Kevin Brodsky , Christoph Hellwig , kasan-dev , Linux ARM , Linux Memory Management List , LKML , Dhaval Giani References: <20210223200914.GH1741768@linux.ibm.com> <20210223213237.GI1741768@linux.ibm.com> <450a9895-a2b4-d11b-97ca-1bd33d5308d4@oracle.com> <20210224103754.GA1854360@linux.ibm.com> <9b7251d1-7b90-db4f-fa5e-80165e1cbb4b@oracle.com> <20210225085300.GB1854360@linux.ibm.com> <9973d0e2-e28b-3f8a-5f5d-9d142080d141@oracle.com> <20210225145700.GC1854360@linux.ibm.com> <20210225160706.GD1854360@linux.ibm.com> From: David Hildenbrand Organization: Red Hat GmbH Subject: Re: [PATCH] mm, kasan: don't poison boot memory Message-ID: <24e43280-1442-3c4e-aa57-ac84b987aa58@redhat.com> Date: Thu, 25 Feb 2021 18:23:24 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Stat-Signature: yqwagk5dta96z8fhdnb7nwsjwutptzem X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 89208200039D Received-SPF: none (redhat.com>: No applicable sender policy available) receiver=imf18; identity=mailfrom; envelope-from=""; helo=us-smtp-delivery-124.mimecast.com; client-ip=216.205.24.124 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1614273819-514797 Content-Transfer-Encoding: quoted-printable 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: On 25.02.21 17:31, George Kennedy wrote: > : rsdp_address=3Dbfbfa014 > [=C2=A0=C2=A0=C2=A0 0.066612] ACPI: RSDP 0x00000000BFBFA014 000024 (v02= BOCHS ) > [=C2=A0=C2=A0=C2=A0 0.067759] ACPI: XSDT 0x00000000BFBF90E8 00004C (v01= BOCHS BXPCFACP > 00000001=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 01000013) > [=C2=A0=C2=A0=C2=A0 0.069470] ACPI: FACP 0x00000000BFBF5000 000074 (v01= BOCHS BXPCFACP > 00000001 BXPC 00000001) > [=C2=A0=C2=A0=C2=A0 0.071183] ACPI: DSDT 0x00000000BFBF6000 00238D (v01= BOCHS BXPCDSDT > 00000001 BXPC 00000001) > [=C2=A0=C2=A0=C2=A0 0.072876] ACPI: FACS 0x00000000BFBFD000 000040 > [=C2=A0=C2=A0=C2=A0 0.073806] ACPI: APIC 0x00000000BFBF4000 000090 (v01= BOCHS BXPCAPIC > 00000001 BXPC 00000001) > [=C2=A0=C2=A0=C2=A0 0.075501] ACPI: HPET 0x00000000BFBF3000 000038 (v01= BOCHS BXPCHPET > 00000001 BXPC 00000001) > [=C2=A0=C2=A0=C2=A0 0.077194] ACPI: BGRT 0x00000000BE49B000 000038 (v01= INTEL EDK2 > 00000002=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 01000013) > [=C2=A0=C2=A0=C2=A0 0.078880] ACPI: iBFT 0x00000000BE453000 000800 (v01= BOCHS BXPCFACP > 00000000=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 00000000) Can you explore the relevant area using the page-flags tools (located in=20 Linux src code located in tools/vm/page-flags.c) ./page-types -L -r -a 0xbe490,0xbe4a0 --=20 Thanks, David / dhildenb