From nobody Tue Oct 7 05:21:09 2025 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 7FA94279327; Mon, 14 Jul 2025 22:15:50 +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=1752531354; cv=none; b=kLvfXZ1dtcFo6cVWz6kah6nb4Qx5+iCf2A57ImTnxaMOsrEoVPU4K05NObyUlw9YSd+Q6hk2/O8nGEF9kwKCOBExFiYoJhHOHH5nYeoGr2oW7JaDLa52gLHl5UvyNdu2VUQE6827p6Ypn2Lyiiiiyqu2c8a0BXCOLObckpFZNj0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752531354; c=relaxed/simple; bh=NwWtU4pQqupYr0rrxiC/LfZQoDejFRAujTn7n0rRKVI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PSyzHsFRla4ISMFCcnXEbXlu9KVyfQTHnRlAFPYoJhDh0ivdCm4fWPFkU8wD1m9hdp7p3ySTK1DGDMOR5AeR5LjUlnke7zCwrC9b4XJT7hQy2xJ1CKvye2PXTjOhH7PnBKIzD1/veciqTJOAjc2vLoPWzsr+oZrKgI+riNpzlPA= 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=LdNp/KDn; 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="LdNp/KDn" Received: from romank-3650.corp.microsoft.com (unknown [131.107.160.188]) by linux.microsoft.com (Postfix) with ESMTPSA id A6F84201A4A1; Mon, 14 Jul 2025 15:15:49 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com A6F84201A4A1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1752531349; bh=8xRSjjAXOHXCVTJfOWaC61Gx4ioYySGsoSFmStFww+M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LdNp/KDn3G92CXUx4Z28jlwRu6Z7unV4x9a7ziuTrswy3mjk8BmxeLHU8InX7aAn1 l6AzMS9smN+pK3z5ORqp+H1p/uMghs/JfQxpJZdBJf6Mj6/XJ1VTu389YUJuax3ZSs E7+2OyFr159nV9m0oWsRDFXXcyTzizDMIQOnR3gk= From: Roman Kisel To: alok.a.tiwari@oracle.com, arnd@arndb.de, bp@alien8.de, corbet@lwn.net, dave.hansen@linux.intel.com, decui@microsoft.com, haiyangz@microsoft.com, hpa@zytor.com, kys@microsoft.com, mhklinux@outlook.com, mingo@redhat.com, rdunlap@infradead.org, tglx@linutronix.de, Tianyu.Lan@microsoft.com, wei.liu@kernel.org, linux-arch@vger.kernel.org, linux-coco@lists.linux.dev, linux-doc@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org Cc: apais@microsoft.com, benhill@microsoft.com, bperkins@microsoft.com, sunilmut@microsoft.com Subject: [PATCH hyperv-next v4 10/16] Drivers: hv: Rename the SynIC enable and disable routines Date: Mon, 14 Jul 2025 15:15:39 -0700 Message-ID: <20250714221545.5615-11-romank@linux.microsoft.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250714221545.5615-1-romank@linux.microsoft.com> References: <20250714221545.5615-1-romank@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" The confidential VMBus requires support for the both hypervisor facing SynIC and the paravisor one. Rename the functions that enable and disable SynIC with the hypervisor. No functional changes. Signed-off-by: Roman Kisel Reviewed-by: Tianyu Lan --- drivers/hv/channel_mgmt.c | 2 +- drivers/hv/hv.c | 11 ++++++----- drivers/hv/hyperv_vmbus.h | 4 ++-- drivers/hv/vmbus_drv.c | 6 +++--- 4 files changed, 12 insertions(+), 11 deletions(-) diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index 6f87220e2ca3..ca2fe10c110a 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -845,7 +845,7 @@ static void vmbus_wait_for_unload(void) /* * In a CoCo VM the hyp_synic_message_page is not allocated * in hv_synic_alloc(). Instead it is set/cleared in - * hv_synic_enable_regs() and hv_synic_disable_regs() + * hv_hyp_synic_enable_regs() and hv_hyp_synic_disable_regs() * such that it is set only when the CPU is online. If * not all present CPUs are online, the message page * might be NULL, so skip such CPUs. diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c index a8669843c56e..94a81bb3c8c7 100644 --- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -266,9 +266,10 @@ void hv_synic_free(void) } =20 /* - * hv_synic_enable_regs - Initialize the Synthetic Interrupt Controller. + * hv_hyp_synic_enable_regs - Initialize the Synthetic Interrupt Controller + * with the hypervisor. */ -void hv_synic_enable_regs(unsigned int cpu) +void hv_hyp_synic_enable_regs(unsigned int cpu) { struct hv_per_cpu_context *hv_cpu =3D per_cpu_ptr(hv_context.cpu_context, cpu); @@ -334,14 +335,14 @@ void hv_synic_enable_regs(unsigned int cpu) =20 int hv_synic_init(unsigned int cpu) { - hv_synic_enable_regs(cpu); + hv_hyp_synic_enable_regs(cpu); =20 hv_stimer_legacy_init(cpu, VMBUS_MESSAGE_SINT); =20 return 0; } =20 -void hv_synic_disable_regs(unsigned int cpu) +void hv_hyp_synic_disable_regs(unsigned int cpu) { struct hv_per_cpu_context *hv_cpu =3D per_cpu_ptr(hv_context.cpu_context, cpu); @@ -528,7 +529,7 @@ int hv_synic_cleanup(unsigned int cpu) always_cleanup: hv_stimer_legacy_cleanup(cpu); =20 - hv_synic_disable_regs(cpu); + hv_hyp_synic_disable_regs(cpu); =20 return ret; } diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h index 16b5cf1bca19..2873703d08a9 100644 --- a/drivers/hv/hyperv_vmbus.h +++ b/drivers/hv/hyperv_vmbus.h @@ -189,10 +189,10 @@ extern int hv_synic_alloc(void); =20 extern void hv_synic_free(void); =20 -extern void hv_synic_enable_regs(unsigned int cpu); +extern void hv_hyp_synic_enable_regs(unsigned int cpu); extern int hv_synic_init(unsigned int cpu); =20 -extern void hv_synic_disable_regs(unsigned int cpu); +extern void hv_hyp_synic_disable_regs(unsigned int cpu); extern int hv_synic_cleanup(unsigned int cpu); =20 /* Interface */ diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 72940a64b0b6..13aca5abc7d8 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -2809,7 +2809,7 @@ static void hv_crash_handler(struct pt_regs *regs) */ cpu =3D smp_processor_id(); hv_stimer_cleanup(cpu); - hv_synic_disable_regs(cpu); + hv_hyp_synic_disable_regs(cpu); }; =20 static int hv_synic_suspend(void) @@ -2834,14 +2834,14 @@ static int hv_synic_suspend(void) * interrupts-disabled context. */ =20 - hv_synic_disable_regs(0); + hv_hyp_synic_disable_regs(0); =20 return 0; } =20 static void hv_synic_resume(void) { - hv_synic_enable_regs(0); + hv_hyp_synic_enable_regs(0); =20 /* * Note: we don't need to call hv_stimer_init(0), because the timer --=20 2.43.0