From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 A206F289813; Wed, 9 Jul 2025 12:22:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752063759; cv=none; b=m4ycDvnHWlVR6TwObgmLn50843xHoA2Z6J0rFY16R/8wa7YrcMjh3G4XDA4yIbTdo6T+EDwrFbUgDrwt7Zo24QxeIcON65A/kTeJ30c2/L3pEhnspBCesxd2D8sf+imBIuTv2yEJfTUuB5tZjlZzT2eSqg0ribYVJ90oAtg8OG8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752063759; c=relaxed/simple; bh=ExusPl54+Z+6wa6Xfyog2ejojzWjQojh+qnvn+buZQ8=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=IxG8dvboc9X1dtcg4RkgrUFENRJFTc9VzW+63R+6LGYMrYvLvYcm4vI9iGmlrcPZUIPxQg9qhgT6XldKnnOHrjg4QoEcX/lI7cvP2/7tPb5GCC2/Sle1Yj53ttXY66xbG4zvKCeamDzBt8mvomXTimGGpmn2XbLALTcxGXS2eNw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=aOK/pXVq; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="aOK/pXVq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 39C15C4CEF4; Wed, 9 Jul 2025 12:22:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1752063759; bh=ExusPl54+Z+6wa6Xfyog2ejojzWjQojh+qnvn+buZQ8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aOK/pXVq98TtbtsMyifPo27ZSiq4dlguYgxXqQfIH75/DZ+tloIWyr/e6Ee80jY8a BLFyS4i/7yHe7v1kjo5SV97w13jRqyxNxxqiiNfIiRxuWF+G7McEq5C4jYKVk2wNvt cvf5cvn+NzO7NHKmTm+58biAMXmJxCFcLiGANsBj/1tp5jMTOSH6q264W38oLqWP5C +pylrmwv6HzcTeYfa1ZGESqAh1hjAo5CFaeUUxE9Uv2l4xeXW65ilJkp5HfPhzrsXL y9pikMjVy0SGwOyy16hfn5x5p6L4nzQZqiV5wvQfzmJIxQvx9mS4JkkyO+4gCU6PVn MUsPKVz+LMJCQ== Received: from sofa.misterjones.org ([185.219.108.64] helo=valley-girl.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1uZToq-00E8wS-Kz; Wed, 09 Jul 2025 13:22:36 +0100 From: Marc Zyngier To: catalin.marinas@arm.com, will@kernel.org, oliver.upton@linux.dev, joey.gouly@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, yury.norov@gmail.com, linux@rasmusvillemoes.dk, linux-kernel@vger.kernel.org, Ben Horgan Cc: james.morse@arm.com, stable@vger.kernel.org Subject: Re: (subset) [PATCH v2 1/2] KVM: arm64: Fix enforcement of upper bound on MDCR_EL2.HPMN Date: Wed, 9 Jul 2025 13:22:26 +0100 Message-Id: <175206358921.2018765.12923963855524409894.b4-ty@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20250709093808.920284-2-ben.horgan@arm.com> References: <20250709093808.920284-1-ben.horgan@arm.com> <20250709093808.920284-2-ben.horgan@arm.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="utf-8" Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: catalin.marinas@arm.com, will@kernel.org, oliver.upton@linux.dev, joey.gouly@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, yury.norov@gmail.com, linux@rasmusvillemoes.dk, linux-kernel@vger.kernel.org, ben.horgan@arm.com, james.morse@arm.com, stable@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false On Wed, 09 Jul 2025 10:38:07 +0100, Ben Horgan wrote: > Previously, u64_replace_bits() was used to no effect as the return value > was ignored. Convert to u64p_replace_bits() so the value is updated in > place. > > Applied to fixes, thanks! I have dropped the Cc: stable, as ths bug only exists in 6.16, and we are not backporting anything related to NV to previous kernel versions. [1/2] KVM: arm64: Fix enforcement of upper bound on MDCR_EL2.HPMN commit: 2265c08ec393ef1f5ef5019add0ab1e3a7ee0b79 Cheers, M. -- Without deviation from the norm, progress is not possible.