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Mon, 24 Jun 2024 22:15:08 +0000 (UTC) Received: from ilclasset02 (ilclasset02.mot.com [100.64.49.13]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: mbland) by ilclmmrp02.lenovo.com (Postfix) with ESMTPSA id 4W7Mhr2CBlz3p6jp; Mon, 24 Jun 2024 22:15:08 +0000 (UTC) Date: Mon, 24 Jun 2024 17:15:07 -0500 From: Maxwell Bland To: linux-mm@kvack.org Cc: Catalin Marinas , Will Deacon , Jonathan Corbet , Andrew Morton , Ard Biesheuvel , Mark Rutland , Christophe Leroy , Maxwell Bland , Alexandre Ghiti , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v5 5/6] arm64: exclusive upper bound for ptdump entries Message-ID: <2e6i3jrv7mfd3athc2g4sbv5rirrukj46cnchcym4io5uhle2n@ah3viwbr5bxr> References: <2bcb3htsjhepxdybpw2bwot2jnuezl3p5mnj5rhjwgitlsufe7@xzhkyntridw3> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <2bcb3htsjhepxdybpw2bwot2jnuezl3p5mnj5rhjwgitlsufe7@xzhkyntridw3> X-Proofpoint-ORIG-GUID: xJSB6QTklBwCv0gHX8X554KR7Ds_NYcO X-Proofpoint-GUID: xJSB6QTklBwCv0gHX8X554KR7Ds_NYcO X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-24_19,2024-06-24_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 lowpriorityscore=0 spamscore=0 malwarescore=0 bulkscore=0 mlxscore=0 priorityscore=1501 adultscore=0 phishscore=0 clxscore=1015 mlxlogscore=947 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2406140001 definitions=main-2406240178 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240624_151520_951589_731DB5EB X-CRM114-Status: GOOD ( 15.94 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Update the upper bound of all ptdump entries to not include the byte which is actually governed by the next entry. As the lowest byte is included and governed, this makes the size specifications exact. Signed-off-by: Maxwell Bland --- arch/arm64/mm/ptdump.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/mm/ptdump.c b/arch/arm64/mm/ptdump.c index 0660b74413a2..f13acf9b1cd8 100644 --- a/arch/arm64/mm/ptdump.c +++ b/arch/arm64/mm/ptdump.c @@ -320,11 +320,11 @@ static void note_page(struct ptdump_state *pt_st, unsigned long addr, int level, else delta = pg_level[st->level].size; pt_dump_seq_printf(st->seq, "0x%016lx-0x%016lx ", - addr, addr + delta); + addr, addr + delta - 1); } else { delta = (addr - st->start_address); pt_dump_seq_printf(st->seq, "0x%016lx-0x%016lx ", - st->start_address, addr); + st->start_address, addr - 1); } /* Align region information regardlesss of level */