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authorDavid S. Miller <davem@davemloft.net>2017-05-22 23:32:48 -0400
committerDavid S. Miller <davem@davemloft.net>2017-05-22 23:32:48 -0400
commit218b6a5b23e939caf2064549b1cb61ba22b9d0a1 (patch)
treebdabf5439fb58905268953165779614d2aadb677 /arch/powerpc/include
parent1db3a61017c627d590315347ccf302d9a6b97970 (diff)
parentfadd2ce5a3680fb265694f573cbfb8bcb7d6c9d5 (diff)
downloadlinux-218b6a5b23e939caf2064549b1cb61ba22b9d0a1.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'arch/powerpc/include')
-rw-r--r--arch/powerpc/include/asm/module.h4
-rw-r--r--arch/powerpc/include/asm/page.h12
2 files changed, 16 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/module.h b/arch/powerpc/include/asm/module.h
index 53885512b8d3..6c0132c7212f 100644
--- a/arch/powerpc/include/asm/module.h
+++ b/arch/powerpc/include/asm/module.h
@@ -14,6 +14,10 @@
#include <asm-generic/module.h>
+#ifdef CC_USING_MPROFILE_KERNEL
+#define MODULE_ARCH_VERMAGIC "mprofile-kernel"
+#endif
+
#ifndef __powerpc64__
/*
* Thanks to Paul M for explaining this.
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index 2a32483c7b6c..8da5d4c1cab2 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -132,7 +132,19 @@ extern long long virt_phys_offset;
#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT)
#define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr))
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
+
+#ifdef CONFIG_PPC_BOOK3S_64
+/*
+ * On hash the vmalloc and other regions alias to the kernel region when passed
+ * through __pa(), which virt_to_pfn() uses. That means virt_addr_valid() can
+ * return true for some vmalloc addresses, which is incorrect. So explicitly
+ * check that the address is in the kernel region.
+ */
+#define virt_addr_valid(kaddr) (REGION_ID(kaddr) == KERNEL_REGION_ID && \
+ pfn_valid(virt_to_pfn(kaddr)))
+#else
#define virt_addr_valid(kaddr) pfn_valid(virt_to_pfn(kaddr))
+#endif
/*
* On Book-E parts we need __va to parse the device tree and we can't