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

[pandora-kernel.git] / drivers / hv / hv.c

diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index 17ed6fb..f5cccd0 100644 (file)
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -178,7 +178,7 @@ 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;