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 9F0EB27EFE9; Wed, 10 Dec 2025 08:14:39 +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=1765354479; cv=none; b=sKUenF3b9GRx1IzjhVZG2EHHkcVlyWv5VyLEfpaoW/1zUyPL/dmfiCz3h0Vnu/+dQvSvIyk0/grCAJNN33T/+DTw5xWIXA577kpgNWKStMKYglHtzTyeQgiJG99+a0D2omoaCl5beaaUhA2pOpuLuHuP8CUUwE9RNaebTMvo3nA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765354479; c=relaxed/simple; bh=YReR8mWxFXbLWLVA6P4Sxk0KKPMnBXIaX4d5Fdnpp/I=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=VDY6ND4xg9zmsibPTj8geRLmEmXX5MYq8ZFFydeZQbMjH9DXDLQ+W1hCXE5ZQLevnlCQX6VVSf5Zt3+uQaAjtxujPgh1syrad7PfAb2n6rnWh4gWTruyZySYz+qyVKBsNuKvJzcwu+6+oWuo4zlIkKB0YDoCeoTOI3iSl8mEGfs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=a/YKt0Ah; 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="a/YKt0Ah" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E452AC4CEF1; Wed, 10 Dec 2025 08:14:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1765354479; bh=YReR8mWxFXbLWLVA6P4Sxk0KKPMnBXIaX4d5Fdnpp/I=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=a/YKt0AhrB6gmulaCcgIatEOOKe9ET1HFmyO8ck4Zxk4oj2Blx2VMfKqvULBUkUON +40B4Loap1syCBWWgVaNPtu6lu+RErMzjFYVcrz3YhtV8ugUufhkSaxoX4I710f/dx g0mf+RA3guuOE7Yw13k684GcqA1jepXdmVfxS/55whKekvE/vdFymVNOI5sXpvH0Ca AGe6hj5Ta4ciQYeS2jc6Mny9SrhefdvkfLkMgbBuD0KQW6U8ijXeCmEcp0FiZ6qYY4 8G7233KcFOCqYYmo5kDhFt8rzKfCwTkzNObYKy25e8MGxYjVRp9rrDN98Xm6uhU0iP ugEHpgcc2Es/Q== Date: Wed, 10 Dec 2025 17:14:33 +0900 From: Nathan Chancellor To: Praveen K Paladugu Cc: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, tglx@linutronix.de, mingo@redhat.com, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, arnd@arndb.de, anbelski@linux.microsoft.com, easwar.hariharan@linux.microsoft.com, nunodasneves@linux.microsoft.com, skinsburskii@linux.microsoft.com Subject: Re: [PATCH v7 0/4] Add support for clean shutdown with MSHV Message-ID: <20251210081433.GA1238677@ax162> References: <20251205201721.7253-1-prapal@linux.microsoft.com> Precedence: bulk X-Mailing-List: linux-hyperv@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: <20251205201721.7253-1-prapal@linux.microsoft.com> Hi Praveen, On Fri, Dec 05, 2025 at 02:17:04PM -0600, Praveen K Paladugu wrote: ... > hyperv: Use reboot notifier to configure sleep state > hyperv: Cleanly shutdown root partition with MSHV These two patches result in warnings (that get upgraded to errors with CONFIG_WERROR=y / W=e) on arm64: $ make -skj"$(nproc)" ARCH=arm64 CROSS_COMPILE=aarch64-linux- clean defconfig $ scripts/config -e HYPERV -e MSHV_ROOT $ make -skj"$(nproc)" ARCH=arm64 CROSS_COMPILE=aarch64-linux- olddefconfig drivers/hv/mshv_common.o drivers/hv/mshv_common.c:210:6: warning: no previous prototype for 'hv_sleep_notifiers_register' [-Wmissing-prototypes] 210 | void hv_sleep_notifiers_register(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hv/mshv_common.c:224:6: warning: no previous prototype for 'hv_machine_power_off' [-Wmissing-prototypes] 224 | void hv_machine_power_off(void) | ^~~~~~~~~~~~~~~~~~~~ The prototypes for these functions are only available for x86. Cheers, Nathan