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Mon, 03 Mar 2025 01:28:56 -0500 X-MC-Unique: bFodggW4M7OAwnOgOuZSnw-1 X-Mimecast-MFC-AGG-ID: bFodggW4M7OAwnOgOuZSnw_1740983331 Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 599301801A10; Mon, 3 Mar 2025 06:28:49 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.44.32.92]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with SMTP id 7596F1956048; Mon, 3 Mar 2025 06:28:32 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Mon, 3 Mar 2025 07:28:19 +0100 (CET) Date: Mon, 3 Mar 2025 07:28:01 +0100 From: Oleg Nesterov To: jeffxu@chromium.org Cc: akpm@linux-foundation.org, keescook@chromium.org, jannh@google.com, torvalds@linux-foundation.org, vbabka@suse.cz, lorenzo.stoakes@oracle.com, Liam.Howlett@Oracle.com, adhemerval.zanella@linaro.org, avagin@gmail.com, benjamin@sipsolutions.net, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, jorgelo@chromium.org, sroettger@google.com, hch@lst.de, ojeda@kernel.org, thomas.weissschuh@linutronix.de, adobriyan@gmail.com, johannes@sipsolutions.net, pedro.falcato@gmail.com, hca@linux.ibm.com, willy@infradead.org, anna-maria@linutronix.de, mark.rutland@arm.com, linus.walleij@linaro.org, Jason@zx2c4.com, deller@gmx.de, rdunlap@infradead.org, davem@davemloft.net, peterx@redhat.com, f.fainelli@gmail.com, gerg@kernel.org, dave.hansen@linux.intel.com, mingo@kernel.org, ardb@kernel.org, mhocko@suse.com, 42.hyeyoo@gmail.com, peterz@infradead.org, ardb@google.com, enh@google.com, rientjes@google.com, groeck@chromium.org, mpe@ellerman.id.au, aleksandr.mikhalitsyn@canonical.com, mike.rapoport@gmail.com Subject: Re: [PATCH v8 5/7] mseal sysmap: uprobe mapping Message-ID: <20250303062800.GA1694@redhat.com> References: <20250303050921.3033083-1-jeffxu@google.com> <20250303050921.3033083-6-jeffxu@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250303050921.3033083-6-jeffxu@google.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: EEA03140009 X-Rspam-User: X-Stat-Signature: cn1ucjnqga3iwqfdudohyxbdd43ge77n X-HE-Tag: 1740983353-297595 X-HE-Meta: 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 vu0NwO4i o9OvuFRu87r0VVjW67Wk5bvWG4Xs+xNldddKfu4u0Pcu7IYHI8HF4vmJUtsTJtH69g/ZfJkq9CLf+tTUcfn3gSQ0tDsTkdDbgHaSIfdEJckJUhZozxqVHCGV/Z6Cle/KOuxnkIKzazbCWMSZtgU5iUmW9kvILm1rw4oR60rczFUFS6y7Za2TLtmwot/CtDI/lUx4B4NVxQPCqP8RamATvGfw/EQofdbTIYJ6KbYhHQPXmbgxr42p8ugayxJ2UjzVd7oK4odu+MzZdxtQhnGzpNH+ncZUU7H+Z10ByMSwJzYLxa7hlF0pOBcA3CApVh8i/6mt18eyvCak8DvnwgWfAzpPHV5gaOfsPb5/6zktbtQ+WMi4/c8+FF6X/szGSay5Dyj5+snHrQ3za/8FAykLZ1yzV2abgNwOg+CBjAlZQM04//2Ah8Pb4OSA+zJhfiadhkwIzfoUx6QszXk8= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000002, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 03/03, jeffxu@chromium.org wrote: > > @@ -1683,7 +1683,8 @@ static int xol_add_vma(struct mm_struct *mm, struct xol_area *area) > } > > vma = _install_special_mapping(mm, area->vaddr, PAGE_SIZE, > - VM_EXEC|VM_MAYEXEC|VM_DONTCOPY|VM_IO, > + VM_EXEC|VM_MAYEXEC|VM_DONTCOPY|VM_IO| > + VM_SEALED_SYSMAP, > &xol_mapping); Reviewed-by: Oleg Nesterov