From nobody Tue Oct 7 05:22:14 2025 Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 53A0327A454; Fri, 3 Oct 2025 22:27:23 +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=1759530445; cv=none; b=ofzUE1bCiFq5CLHbu3hjaW2Yxdc5MRDCCCicIrKS0OY32OuHVMS5PwATahnseVhDGSOxVYNMwud247V0J2w9czbYow6iKzZTvgj9nIhAB7eilAowgifoHG65HzCky/XKvCNyeU/nzM7oFiDod1m5jFcq773pHAxo+6CBSyCmB2s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759530445; c=relaxed/simple; bh=yfJOYFcpcaft9gfk4TP1GboP8J7q/Uygy2ixjcvgtwc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=W/cuyIYB76lNMhY2ww/t7TAJWTTNUzvKx35oFMUjChYkqWih7Fi09s8xzthTYGd7/mSh5t6MlWjtf+sv7uhmTd6xbZv6K5k5CQc3A7zJKFwqtVBjGFviiiDtj8u4SPU4zT3UBqErX7XM/cT3L2C5QJT3AFJSO4oxMcczQJ3Bb98= 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=XG5q5ffV; 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="XG5q5ffV" Received: from romank-3650.corp.microsoft.com (unknown [131.107.1.188]) by linux.microsoft.com (Postfix) with ESMTPSA id DF0D4211C279; Fri, 3 Oct 2025 15:27:20 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com DF0D4211C279 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1759530441; bh=8Mh8PV+ES1bK1a1G4y3sHqCiVkIAXlaKpbQtNpSOMQQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XG5q5ffVudsGJdQBGGntPtaItzHtiBAlK0S1CjHsz3YXHuBMymwpu1ilfT5vsUpEF qwSkAgfO0+p64iVhjzcanrj3GZ/QcK8BvFNDfRjBvygJvWv3T70VSROn00snI1zb4d AuP6fTtJjF0W+duT83Jo4OIn2q1cCrWAYKT3r3TQ= From: Roman Kisel To: 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, mikelley@microsoft.com, mingo@redhat.com, tglx@linutronix.de, Tianyu.Lan@microsoft.com, wei.liu@kernel.org, x86@kernel.org, linux-hyperv@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Cc: benhill@microsoft.com, bperkins@microsoft.com, sunilmut@microsoft.com, romank@linux.microsoft.com Subject: [PATCH hyperv-next v6 11/17] Drivers: hv: Rename the SynIC enable and disable routines Date: Fri, 3 Oct 2025 15:27:04 -0700 Message-ID: <20251003222710.6257-12-romank@linux.microsoft.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251003222710.6257-1-romank@linux.microsoft.com> References: <20251003222710.6257-1-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 Reviewed-by: Michael Kelley --- 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 1a33c6944b3c..6d66cbc9030b 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -846,7 +846,7 @@ 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 8e102bcc0be8..76138ebe7c0c 100644 --- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -268,9 +268,10 @@ 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); @@ -336,14 +337,14 @@ 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); @@ -530,7 +531,7 @@ 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 3c70051c0431..552ed782bcfc 100644 --- a/drivers/hv/hyperv_vmbus.h +++ b/drivers/hv/hyperv_vmbus.h @@ -190,10 +190,10 @@ 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 e12f0ba0701f..2b5bf672c467 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -2810,7 +2810,7 @@ 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) @@ -2835,14 +2835,14 @@ 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