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Tsirkin" , Jason Wang , Xuan Zhuo , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Andrew Morton , Jonathan Corbet , Mario Casquero Subject: [PATCH v2 6/7] lib/Kconfig.debug: default STRICT_DEVMEM to "y" on s390 Date: Mon, 14 Oct 2024 16:46:18 +0200 Message-ID: <20241014144622.876731-7-david@redhat.com> In-Reply-To: <20241014144622.876731-1-david@redhat.com> References: <20241014144622.876731-1-david@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 57CFC180015 X-Stat-Signature: cjnwzt96nkk5re4b7uxsym5wa5xoceso X-Rspam-User: X-HE-Tag: 1728917237-849459 X-HE-Meta: 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 YLY2kBol LZTJikiXGb3Xwrstw4IVPpqZuHRar0szbkBuvTfPv9v+QP50jXUEAGLyL02ve7yO/LYczK5NfmRVV0ST35p5CVXHrezqYL7NcESYcSoZIE5LNgAHyR4Dbl/tjFHYVRYKja53Q3C+wBv0hNWPwm/hgb7nBR1OhRLQ8btqbj1MDWn05TRlnaagAgvnGpLY9k4SpUcF6pvdUaA5p40gy+T9OXdhp1QQJrYaV1QD1/6kB4T7308t3uISsIW6kddfqcR1/YNwRcegL2W9toQoH1VW/OoQQ5K7AhtfaLF7bNPwqlZedh7nZ0J+1R7zGu7xOMxKb3c2vpFqvwiAZbZCxpVrjNFj28K5FaNRBcPYHG/iDLTqzmO8U+AFmvTqxgg== 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: List-Subscribe: List-Unsubscribe: virtio-mem currently depends on !DEVMEM | STRICT_DEVMEM. Let's default STRICT_DEVMEM to "y" just like we do for arm64 and x86. There could be ways in the future to filter access to virtio-mem device memory even without STRICT_DEVMEM, but for now let's just keep it simple. Tested-by: Mario Casquero Signed-off-by: David Hildenbrand --- lib/Kconfig.debug | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 7315f643817a..e7a917540e2a 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1905,7 +1905,7 @@ config STRICT_DEVMEM bool "Filter access to /dev/mem" depends on MMU && DEVMEM depends on ARCH_HAS_DEVMEM_IS_ALLOWED || GENERIC_LIB_DEVMEM_IS_ALLOWED - default y if PPC || X86 || ARM64 + default y if PPC || X86 || ARM64 || S390 help If this option is disabled, you allow userspace (root) access to all of memory, including kernel and userspace memory. Accidental -- 2.46.1