From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id D88DDC83F17 for ; Thu, 10 Jul 2025 11:18:59 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 3CF0F6B0088; Thu, 10 Jul 2025 07:18:59 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 3A50E6B0089; Thu, 10 Jul 2025 07:18:59 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 2E2186B008C; Thu, 10 Jul 2025 07:18:59 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) by kanga.kvack.org (Postfix) with ESMTP id 1CCA06B0088 for ; Thu, 10 Jul 2025 07:18:59 -0400 (EDT) Received: from smtpin02.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 87D5A80138 for ; Thu, 10 Jul 2025 11:18:58 +0000 (UTC) X-FDA: 83648107956.02.43BB216 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) by imf08.hostedemail.com (Postfix) with ESMTP id AF735160015 for ; Thu, 10 Jul 2025 11:18:56 +0000 (UTC) Authentication-Results: imf08.hostedemail.com; dkim=pass header.d=infradead.org header.s=desiato.20200630 header.b=Eu24Te9V ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1752146337; a=rsa-sha256; cv=none; b=v2Ns7rjCbJnu7p05JkbOjALLZbIGMhPH4x9WOUPiGFTuh61GzHUj0ZV04TE35lFTL0o4L1 CKwHXHobSgP0rnup2aTLfAun5XCn+WKNRGA4/KUlbJZ/hGxpIm8GZ9wNsS5auVPNTacC9/ 80c1i4PMVYu0Ml0C4SaXnkRJqds6xBQ= ARC-Authentication-Results: i=1; imf08.hostedemail.com; dkim=pass header.d=infradead.org header.s=desiato.20200630 header.b=Eu24Te9V; dmarc=none; spf=none (imf08.hostedemail.com: domain of peterz@infradead.org has no SPF policy when checking 90.155.92.199) smtp.mailfrom=peterz@infradead.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1752146337; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=Ay7vtRDPj3I+842kszjez2KV8eA7wuEEs1vn3I9MIxM=; b=NDQZLLkOX7dO8Ny87ZAA2c13DS01L+8drvW8cwMOOKGMJDjyeSrTOGjZt0avZFKzdgdu0G u8xN+tMvj2RwtZENiE27H1WjtGqDeZW41dEFyC1pJj9C1GU80eqvhNOptV5ckx97wwD2LB FHPNR1WwtZHuOOAp13hhxwj1zNb9jTU= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=Ay7vtRDPj3I+842kszjez2KV8eA7wuEEs1vn3I9MIxM=; b=Eu24Te9VTZvr23LTKHnmRGMsnU adibSDWuOb2Sdg4zKuSF0raWaj5DbaUhrxWUT/bDGWcY9So8xrQhwJ9LGZevTiVDfQRKu4Upklvg0 ag3XL+MZyb55cO1iMcs7exp6wpffZk10TaplEc9Fw7TuxksXQWT/FPffQ4uQq1V4DIdA461Wns+1b 6WgbXF6NKIOAL5orOpsFzJNsSqyqOnOQdvH3ZOr0eZ1tIkHZD6rSIw8LJ46dw39AHGIXX5m/IwFUq xSb2/DCoSNIObGEX/TnvNbzUmyggLgpQy6r9hkPo6uX1pvghU/TmbnowzK9xLTGnyN2KJLL04c0xM S6FgjAog==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1uZpId-000000090Dl-1hl1; Thu, 10 Jul 2025 11:18:47 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id ED3C1300125; Thu, 10 Jul 2025 13:18:46 +0200 (CEST) Date: Thu, 10 Jul 2025 13:18:46 +0200 From: Peter Zijlstra To: Mike Rapoport Cc: Andrew Morton , Andy Lutomirski , Borislav Petkov , Christophe Leroy , Daniel Gomez , Dave Hansen , Ingo Molnar , "Liam R. Howlett" , Luis Chamberlain , Mark Rutland , Masami Hiramatsu , "H. Peter Anvin" , Petr Pavlu , Sami Tolvanen , Steven Rostedt , Thomas Gleixner , Yann Ylavic , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-modules@vger.kernel.org, linux-trace-kernel@vger.kernel.org, x86@kernel.org Subject: Re: [PATCH v2 0/8] x86: enable EXECMEM_ROX_CACHE for ftrace and kprobes Message-ID: <20250710111846.GE542000@noisy.programming.kicks-ass.net> References: <20250709134933.3848895-1-rppt@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250709134933.3848895-1-rppt@kernel.org> X-Rspamd-Server: rspam11 X-Rspam-User: X-Stat-Signature: d6qogbh3b89kg8rggz57x5f3tn1ym8h1 X-Rspamd-Queue-Id: AF735160015 X-HE-Tag: 1752146336-244300 X-HE-Meta: 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 2lx/JEmG ynmwkEul76G63d7zBN9O+ZYge5Nc/zqr3NmPwzVri4l1zW3vW+oUzj69iV8qmGq56y8uyKShCmsVk8tqzhq/R4PEa5+9bUxpfxfWfqbJdxF7h9QMwH1xfCydFRg/ff+3zH/3+SJbvk6ePF0ufgc3VR5KE9LYLNPLxz/bq8AHvrMck0R+kJX1RAkVhWd2kbt3dyAgUB0oxK7cl+ZssonyPRTPeRK2dP7nicuZ/SOXvZ0P25eodhyyLkMQzJn7lgGnSUaW7DaSsJdcXik1uD9AzoRHs+f7cAey0MtIu+lSl/9rZ21hq7qZEov2JFJce4OemZDuc 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: On Wed, Jul 09, 2025 at 04:49:25PM +0300, Mike Rapoport wrote: > Mike Rapoport (Microsoft) (8): > execmem: drop unused execmem_update_copy() > execmem: introduce execmem_alloc_rw() > execmem: rework execmem_cache_free() > execmem: move execmem_force_rw() and execmem_restore_rox() before use > execmem: add fallback for failures in vmalloc(VM_ALLOW_HUGE_VMAP) > execmem: drop writable parameter from execmem_fill_trapping_insns() > x86/kprobes: enable EXECMEM_ROX_CACHE for kprobes allocations > x86/ftrace: enable EXECMEM_ROX_CACHE for ftrace allocations Acked-by: Peter Zijlstra (Intel)