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Drivers: hv: vmbus: Move the check for hypercall page setup

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As part of the effort to separate out architecture specific code, move the
check for detecting if the hypercall page is setup.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
K. Y. Srinivasan
2017-01-19 11:51:49 -07:00
committed by Greg Kroah-Hartman
parent d058fa7e98
commit 73638cddaa
3 changed files with 17 additions and 6 deletions
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7
drivers/hv/hv.c
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@@ -49,7 +49,6 @@ struct hv_context hv_context = {
*/
int hv_init(void)
{
union hv_x64_msr_hypercall_contents hypercall_msr;
memset(hv_context.synic_event_page, 0, sizeof(void *) * NR_CPUS);
memset(hv_context.synic_message_page, 0,
@@ -65,11 +64,7 @@ int hv_init(void)
memset(hv_context.clk_evt, 0,
sizeof(void *) * NR_CPUS);
/* See if the hypercall page is already set */
hypercall_msr.as_uint64 = 0;
rdmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64);
if (!hypercall_msr.enable)
if (!hv_is_hypercall_page_setup())
return -ENOTSUPP;
return 0;