From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 B509D4779B3; Wed, 21 Jan 2026 15:31:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769009497; cv=none; b=QHBA4pft8Jgc5b8/gI9nZJhR//tjX/hmEJ+gHNM/rjExke92VL1+UapYF2N4Cj+cjoJDT19H/ikCxEOLZ9FqDZNvRttZyiwmUoB/09BjeXxGeQk6lzgyyTm9BBGzczeJwiVxZd+jaE2PaoDj21jlXHk1Qq3qKKdcQA2n6ThvPyY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769009497; c=relaxed/simple; bh=obw6HarFyVHtBB1yPFy+hnDtdrCkA/cpeRGgY4EOmtw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=sIG6aKgPV9Y3x27KyV5izh0P8JkV0Z/wFXyVwoaK1iVWy8WuvzG2iUHsUe1Cj0wM3x4b4O+Bb79exNAi5D8tL2jY1q2uHpAAVMRTOZFxiW/n0G0cjiB1LQ3Fw1R1mSn114oqFdRspchUAd22BNuSK6qastQqF7G+q1j85hZvvvY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (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=Eeb1fftB; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (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="Eeb1fftB" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=i3JkLE7dUkOYmMfJyJBrEltJHtZpM7j/thftjQhkvB0=; b=Eeb1fftBHTnBVKe7SjS0pm7mb6 IUORuQJKk0skvtyCcv+U6iiYwi/BA12JD5Wj0w2fEyJzTB6rgJPW48WVwibT+qTN5x5arTQVcHvjr xf1uknvMCpyuzhrOoASwckEESul6AzdOMmmVqIcggPgw/aCzewn2lzlN7SA95/gZT1KA/3i8t90ll tEm8tKUqU8jxu8ZXLicywfRWlRmT9in/aDizpXMqxF/HQ6FgOX2L41fh+LrJ7lK0lEhnL1yEE0hL1 /Ccl3Z41f8ULoh+tpX8s88kOsC9TLB0sNBXLyp4ylLWcCiqzF6ABXP0c5LJ2iBBKC+g3jE3Injd41 PVVNs1Rw==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1viaB2-0000000GXQh-38aq; Wed, 21 Jan 2026 15:31:24 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 0FB2E300329; Wed, 21 Jan 2026 16:31:24 +0100 (CET) Date: Wed, 21 Jan 2026 16:31:24 +0100 From: Peter Zijlstra To: Fernand Sieber Cc: dwmw2@infradead.org, seanjc@google.com, abusse@amazon.de, bp@alien8.de, dave.hansen@linux.intel.com, hborghor@amazon.de, hpa@zytor.com, jschoenh@amazon.de, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, nh-open-source@amazon.com, nsaenz@amazon.com, pbonzini@redhat.com, stable@vger.kernel.org, tglx@linutronix.de, x86@kernel.org Subject: Re: [PATCH v2] perf/x86/intel: Do not enable BTS for guests Message-ID: <20260121153124.GB171111@noisy.programming.kicks-ass.net> References: <20251210111655.GB3911114@noisy.programming.kicks-ass.net> <20251211183604.868641-1-sieberf@amazon.com> <20260121135713.214711-1-sieberf@amazon.com> 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: <20260121135713.214711-1-sieberf@amazon.com> On Wed, Jan 21, 2026 at 03:57:13PM +0200, Fernand Sieber wrote: > Hi Peter, > > Could you please take another look and see if you are happy to pull in v2 which > implements the approach that you suggested? Yeah, sorry, fell into a crack and all that. Got it now. Thanks!