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[82.11.253.99]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4587054e37dsm20889375e9.14.2025.07.24.06.56.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Jul 2025 06:56:29 -0700 (PDT) From: Eugen Hristev To: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, tglx@linutronix.de, andersson@kernel.org, pmladek@suse.com Cc: linux-arm-kernel@lists.infradead.org, linux-hardening@vger.kernel.org, eugen.hristev@linaro.org, corbet@lwn.net, mojha@qti.qualcomm.com, rostedt@goodmis.org, jonechou@google.com, tudor.ambarus@linaro.org Subject: [RFC][PATCH v2 08/29] cpu: Annotate static information into Kmemdump Date: Thu, 24 Jul 2025 16:54:51 +0300 Message-ID: <20250724135512.518487-9-eugen.hristev@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250724135512.518487-1-eugen.hristev@linaro.org> References: <20250724135512.518487-1-eugen.hristev@linaro.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Annotate vital static information into kmemdump: - __cpu_present_mask - __cpu_online_mask - __cpu_possible_mask - __cpu_active_mask Information on these variables is stored into dedicated kmemdump section. Signed-off-by: Eugen Hristev --- kernel/cpu.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/kernel/cpu.c b/kernel/cpu.c index faf0f23fc5d8..d48e4dd979e9 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -38,6 +38,7 @@ #include #include #include +#include =20 #include #define CREATE_TRACE_POINTS @@ -3092,18 +3093,22 @@ struct cpumask __cpu_possible_mask __ro_after_init struct cpumask __cpu_possible_mask __ro_after_init; #endif EXPORT_SYMBOL(__cpu_possible_mask); +KMEMDUMP_VAR_CORE(__cpu_possible_mask, sizeof(__cpu_possible_mask)); =20 struct cpumask __cpu_online_mask __read_mostly; EXPORT_SYMBOL(__cpu_online_mask); +KMEMDUMP_VAR_CORE(__cpu_online_mask, sizeof(__cpu_online_mask)); =20 struct cpumask __cpu_enabled_mask __read_mostly; EXPORT_SYMBOL(__cpu_enabled_mask); =20 struct cpumask __cpu_present_mask __read_mostly; EXPORT_SYMBOL(__cpu_present_mask); +KMEMDUMP_VAR_CORE(__cpu_present_mask, sizeof(__cpu_present_mask)); =20 struct cpumask __cpu_active_mask __read_mostly; EXPORT_SYMBOL(__cpu_active_mask); +KMEMDUMP_VAR_CORE(__cpu_active_mask, sizeof(__cpu_active_mask)); =20 struct cpumask __cpu_dying_mask __read_mostly; EXPORT_SYMBOL(__cpu_dying_mask); --=20 2.43.0