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drivers: hv: Turn off write permission on the hypercall page

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am: 182ff0ebbd

Change-Id: Ia827064dcb01c718ec90e7ae84eff5906ee3cbf8
This commit is contained in:
K. Y. Srinivasan
2017-03-15 02:28:29 +00:00
committed by android-build-merger
parent dcde000edf 182ff0ebbd
commit 9b301b2cdf
1 changed files with 1 additions and 1 deletions
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drivers/hv/hv.c
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@@ -220,7 +220,7 @@ int hv_init(void)
/* See if the hypercall page is already set */
rdmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64);
virtaddr = __vmalloc(PAGE_SIZE, GFP_KERNEL, PAGE_KERNEL_EXEC);
virtaddr = __vmalloc(PAGE_SIZE, GFP_KERNEL, PAGE_KERNEL_RX);
if (!virtaddr)
goto cleanup;