From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7E1A82E1C7E; Thu, 10 Jul 2025 11:19:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.92.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752146344; cv=none; b=psXHN2YgD7DWmuJLCdJ9lkODamvxlmzOtguGBikcikgqEcHI3znpog7a0vL5AdEVT1XKi51nC5kd+R/gCKeAJHAaBeMNkOaRplHWe3RICbTXuyxQs+E5jIAmDbMPdR3KHUbInICi3XgtJxKve69aB8/oxu34hmO0wlw/Qyy6xSs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752146344; c=relaxed/simple; bh=Sk8yLEhz9dqlNlbGBfJ5O2KrY7Siu3w6E4muTh88lfg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=u7T+3iPT1xHqrmwNZ4eYiyU+9rLVhw8mBu9veqCmy/CBNnqFYzFzbBPbD1Y6N1SJ5IKC4aF/VnBjMxR3UmigpoiXiF+So3thxGVVC1uZ/vx+I4W5GG3UvT2Tlt2/jQtGJXhvlxevEc6kObqH8e4eT2M5YkP4q+YlTBihFI/R/FI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=Eu24Te9V; arc=none smtp.client-ip=90.155.92.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Eu24Te9V" 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250709134933.3848895-1-rppt@kernel.org> 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)