From nobody Thu Oct 2 03:17:46 2025 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id DC2A0252900; Tue, 23 Sep 2025 21:46:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=13.77.154.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758663982; cv=none; b=VBptWIsbrjS5KqEwsxvKj0LQgbV4SL8vnIvklhGcaOUCtonL5i5ceSvLuaMWajSeXA0ZOwvdxRmOnZcW/hyJL/Vxz1rlpH3KT2bAozAzkJ0jfVt0YoFKPPThc7bvTkRaC23lqMJi3WcHnvx8XXKEQB1ufm6cGeljoCzDjp5XiN4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758663982; c=relaxed/simple; bh=dr/Q1R6Sn+NyHksBWDSvfG6vvZgaRg3D12hynJ+ENu0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=AhV0RRl5lSyCqR6YAKudZ8vLMp4nMuLiO0piK9Z4tl8/lzXNns3JsiZO5qrYXPHzK4xMMUFgTZU8FwdfnQ6X9dRmLEc8FNOAoIHNfDX3umviO3DlNYHlxdjDbWZiC4PtqnLtgP+Pg6jeVzSgzl5LbbjXkZLdLHfkL86sa9kFA9o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com; spf=pass smtp.mailfrom=linux.microsoft.com; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b=RGtnmFg/; arc=none smtp.client-ip=13.77.154.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.microsoft.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.microsoft.com header.i=@linux.microsoft.com header.b="RGtnmFg/" Received: from mrdev.corp.microsoft.com (192-184-212-33.fiber.dynamic.sonic.net [192.184.212.33]) by linux.microsoft.com (Postfix) with ESMTPSA id D0F562018E4C; Tue, 23 Sep 2025 14:46:19 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com D0F562018E4C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1758663980; bh=Xm2o4yAUkdFB50MsmJ1IE0HmIZbMwVma/u6kOisVDyQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RGtnmFg/JEqvoa1aq0CipJQ6esdLIPIV71r5fn3N5ApvxvQsANiQ/1lQgSEQygbRA 9zH/qfDYWk9Z04NCGkC7rcMQNVHhFLIr/8t4wccOff3cGMbUS7kVnWyQ6LcW22ssxT PN5JtGhZGJVEasQmueXXVDyp8+lrP9PIvEmHBgYI= From: Mukesh Rathor To: linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Cc: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, arnd@arndb.de Subject: [PATCH v2 1/6] x86/hyperv: Rename guest crash shutdown function Date: Tue, 23 Sep 2025 14:46:04 -0700 Message-Id: <20250923214609.4101554-2-mrathor@linux.microsoft.com> X-Mailer: git-send-email 2.36.1.vfs.0.0 In-Reply-To: <20250923214609.4101554-1-mrathor@linux.microsoft.com> References: <20250923214609.4101554-1-mrathor@linux.microsoft.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Rename hv_machine_crash_shutdown to more appropriate hv_guest_crash_shutdown and make it applicable to guests only. This in preparation for the subsequent hypervisor root/dom0 crash support patches. Signed-off-by: Mukesh Rathor --- arch/x86/kernel/cpu/mshyperv.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index 25773af116bc..1c6ec9b6107f 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -219,7 +219,7 @@ static void hv_machine_shutdown(void) #endif /* CONFIG_KEXEC_CORE */ =20 #ifdef CONFIG_CRASH_DUMP -static void hv_machine_crash_shutdown(struct pt_regs *regs) +static void hv_guest_crash_shutdown(struct pt_regs *regs) { if (hv_crash_handler) hv_crash_handler(regs); @@ -562,7 +562,8 @@ static void __init ms_hyperv_init_platform(void) machine_ops.shutdown =3D hv_machine_shutdown; #endif #if defined(CONFIG_CRASH_DUMP) - machine_ops.crash_shutdown =3D hv_machine_crash_shutdown; + if (!hv_root_partition()) + machine_ops.crash_shutdown =3D hv_guest_crash_shutdown; #endif #endif /* --=20 2.36.1.vfs.0.0