From: "K. Y. Srinivasan" <kys@microsoft.com>
To: x86@kernel.org, gregkh@linuxfoundation.org,
linux-kernel@vger.kernel.org, devel@linuxdriverproject.org,
olaf@aepfle.de, apw@canonical.com, jasowang@redhat.com,
tglx@linutronix.de, hpa@zytor.com, mingo@kernel.org
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Subject: [PATCH 1/1] x86/hyper-V: Allocate the IDT entry early in boot
Date: Fri, 8 Sep 2017 14:54:50 -0700 [thread overview]
Message-ID: <20170908215450.735-1-kys@microsoft.com> (raw)
Allocate the hypervisor callback IDT entry early in the boot sequence.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
---
arch/x86/kernel/cpu/mshyperv.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index 3b3f713e15e5..236324e83a3a 100644
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -59,8 +59,6 @@ void hyperv_vector_handler(struct pt_regs *regs)
void hv_setup_vmbus_irq(void (*handler)(void))
{
vmbus_handler = handler;
- /* Setup the IDT for hypervisor callback */
- alloc_intr_gate(HYPERVISOR_CALLBACK_VECTOR, hyperv_callback_vector);
}
void hv_remove_vmbus_irq(void)
@@ -251,6 +249,8 @@ static void __init ms_hyperv_init_platform(void)
*/
x86_platform.apic_post_init = hyperv_init;
hyperv_setup_mmu_ops();
+ /* Setup the IDT for hypervisor callback */
+ alloc_intr_gate(HYPERVISOR_CALLBACK_VECTOR, hyperv_callback_vector);
#endif
}
--
2.14.1
next reply other threads:[~2017-09-08 21:56 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-08 21:54 K. Y. Srinivasan [this message]
2017-09-09 9:39 ` [PATCH 1/1] x86/hyper-V: Allocate the IDT entry early in boot Thomas Gleixner
2017-09-09 15:58 ` KY Srinivasan
-- strict thread matches above, loose matches on Subject: below --
2017-09-08 23:15 kys
2017-09-09 11:04 ` Dan Carpenter
2017-09-09 16:00 ` KY Srinivasan
2017-09-13 9:00 ` Ingo Molnar
2017-09-13 18:05 ` KY Srinivasan
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