From: kys@exchange.microsoft.com
To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com,
vkuznets@redhat.com, jasowang@redhat.com,
leann.ogasawara@canonical.com, rkagan@virtuozzo.com,
x86@kernel.org, tglx@linutronix.de, hpa@zytor.com
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Subject: [PATCH 16/18] Drivers: hv: vmbus: Define an API to retrieve virtual processor index
Date: Fri, 30 Dec 2016 13:36:10 -0800 [thread overview]
Message-ID: <1483133772-29776-16-git-send-email-kys@exchange.microsoft.com> (raw)
In-Reply-To: <1483133772-29776-1-git-send-email-kys@exchange.microsoft.com>
From: K. Y. Srinivasan <kys@microsoft.com>
As part of cleaning up architecture specific code, define an API
to retrieve the virtual procesor index.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
---
arch/x86/include/asm/mshyperv.h | 2 ++
drivers/hv/hv.c | 2 +-
2 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h
index 1ea19a5..2d40bfc 100644
--- a/arch/x86/include/asm/mshyperv.h
+++ b/arch/x86/include/asm/mshyperv.h
@@ -149,6 +149,8 @@ static inline void vmbus_signal_eom(struct hv_message *msg, u32 old_msg_type)
#define hv_get_synic_state(val) rdmsrl(HV_X64_MSR_SCONTROL, val)
#define hv_set_synic_state(val) wrmsrl(HV_X64_MSR_SCONTROL, val)
+#define hv_get_vp_index(index) rdmsrl(HV_X64_MSR_VP_INDEX, index)
+
void hyperv_callback_vector(void);
#ifdef CONFIG_TRACING
#define trace_hyperv_callback_vector hyperv_callback_vector
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index 3c9a819..9b2630b 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -306,7 +306,7 @@ int hv_synic_init(unsigned int cpu)
* of cpuid and Linux' notion of cpuid.
* This array will be indexed using Linux cpuid.
*/
- rdmsrl(HV_X64_MSR_VP_INDEX, vp_index);
+ hv_get_vp_index(vp_index);
hv_context.vp_index[cpu] = (u32)vp_index;
/*
--
1.7.4.1
next prev parent reply other threads:[~2016-12-30 19:39 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-30 21:35 [PATCH 00/18] Drivers: hv: vmbus: Restructure architecture specific code kys
2016-12-30 21:35 ` [PATCH 01/18] Drivers: hv: vmbus: Move the definition of hv_x64_msr_hypercall_contents kys
2016-12-30 21:35 ` [PATCH 02/18] Drivers: hv: vmbus: Move the definition of generate_guest_id() kys
2016-12-30 21:35 ` [PATCH 03/18] Drivers: hv vmbus: Move Hypercall page setup out of common code kys
2016-12-30 21:35 ` [PATCH 04/18] Drivers: hv: vmbus: Move Hypercall invocation code " kys
2016-12-30 21:35 ` [PATCH 05/18] Drivers: hv: vmbus: Consolidate all Hyper-V specific clocksource code kys
2016-12-30 21:36 ` [PATCH 06/18] Drivers: hv: vmbus: Move the extracting of Hypervisor version information kys
2016-12-30 21:36 ` [PATCH 07/18] Drivers: hv: vmbus: Move the crash notification function kys
2016-12-30 21:36 ` [PATCH 08/18] Drivers: hv: vmbus: Move the check for hypercall page setup kys
2016-12-30 21:36 ` [PATCH 09/18] Drivers: hv: vmbus: Move the code to signal end of message kys
2016-12-30 21:36 ` [PATCH 10/18] Drivers: hv: vmbus: Restructure the clockevents code kys
2016-12-30 21:36 ` [PATCH 11/18] Drivers: hv: util: Use hv_get_current_tick() to get current tick kys
2016-12-30 21:36 ` [PATCH 12/18] Drivers: hv: vmbus: Get rid of an unsused variable kys
2016-12-30 21:36 ` [PATCH 13/18] Drivers: hv: vmbus: Define APIs to manipulate the message page kys
2016-12-30 21:36 ` [PATCH 14/18] Drivers: hv: vmbus: Define APIs to manipulate the event page kys
2016-12-30 21:36 ` [PATCH 15/18] Drivers: hv: vmbus: Define APIs to manipulate the synthetic interrupt controller kys
2016-12-30 21:36 ` kys [this message]
2016-12-30 21:36 ` [PATCH 17/18] Drivers: hv: vmbus: Define an APIs to manage interrupt state kys
2016-12-30 21:36 ` [PATCH 18/18] Drivers: hv: vmbus: Cleanup hyperv_vmbus.h kys
2017-01-10 17:27 ` [PATCH 01/18] Drivers: hv: vmbus: Move the definition of hv_x64_msr_hypercall_contents Greg KH
2017-01-12 2:32 ` KY Srinivasan
2017-01-12 18:29 ` Stephen Hemminger
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