Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

[linux-2.6-block.git] / drivers / acpi / apei / einj.c

diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c
index 0431883653bed9d3c0394368fe87ced99043f185..559c1173de1c99177ba702c60d27993826510e9c 100644 (file)
--- a/drivers/acpi/apei/einj.c
+++ b/drivers/acpi/apei/einj.c
@@ -519,7 +519,7 @@ static int einj_error_inject(u32 type, u32 flags, u64 param1, u64 param2,
                             u64 param3, u64 param4)
 {
        int rc;
-       unsigned long pfn;
+       u64 base_addr, size;
 
        /* If user manually set "flags", make sure it is legal */
        if (flags && (flags &
@@ -545,10 +545,17 @@ static int einj_error_inject(u32 type, u32 flags, u64 param1, u64 param2,
        /*
         * Disallow crazy address masks that give BIOS leeway to pick
         * injection address almost anywhere. Insist on page or
-        * better granularity and that target address is normal RAM.
+        * better granularity and that target address is normal RAM or
+        * NVDIMM.
         */
-       pfn = PFN_DOWN(param1 & param2);
-       if (!page_is_ram(pfn) || ((param2 & PAGE_MASK) != PAGE_MASK))
+       base_addr = param1 & param2;
+       size = ~param2 + 1;
+
+       if (((param2 & PAGE_MASK) != PAGE_MASK) ||
+           ((region_intersects(base_addr, size, IORESOURCE_SYSTEM_RAM, IORES_DESC_NONE)
+                               != REGION_INTERSECTS) &&
+            (region_intersects(base_addr, size, IORESOURCE_MEM, IORES_DESC_PERSISTENT_MEMORY)
+                               != REGION_INTERSECTS)))
                return -EINVAL;
 
 inject: