aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2012-09-21 14:26:23 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-09-21 14:26:23 -0700
commit9d10890792a96ed796a44565924327aa276fa468 (patch)
tree94e3aa53d8ad06f2867e1f939d981d518d92ac0a
parent519b3b742d7d29c3386f0f35f3cee5dd362dd8e2 (diff)
parent73e8f3d7e2cb23614d5115703d76d8e54764b641 (diff)
downloadlinux-yocto-4.8-9d10890792a96ed796a44565924327aa276fa468.tar.gz
linux-yocto-4.8-9d10890792a96ed796a44565924327aa276fa468.tar.bz2
linux-yocto-4.8-9d10890792a96ed796a44565924327aa276fa468.zip
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar: "Small fixlets" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm/init.c: Fix devmem_is_allowed() off by one x86/kconfig: Remove outdated reference to Intel CPUs in CONFIG_SWIOTLB
-rw-r--r--arch/x86/Kconfig8
-rw-r--r--arch/x86/mm/init.c2
2 files changed, 5 insertions, 5 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 8ec3a1aa4abd..50a1d1f9b6d3 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -746,10 +746,10 @@ config SWIOTLB
def_bool y if X86_64
---help---
Support for software bounce buffers used on x86-64 systems
- which don't have a hardware IOMMU (e.g. the current generation
- of Intel's x86-64 CPUs). Using this PCI devices which can only
- access 32-bits of memory can be used on systems with more than
- 3 GB of memory. If unsure, say Y.
+ which don't have a hardware IOMMU. Using this PCI devices
+ which can only access 32-bits of memory can be used on systems
+ with more than 3 GB of memory.
+ If unsure, say Y.
config IOMMU_HELPER
def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU)
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index e0e6990723e9..ab1f6a93b527 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -319,7 +319,7 @@ unsigned long __init_refok init_memory_mapping(unsigned long start,
*/
int devmem_is_allowed(unsigned long pagenr)
{
- if (pagenr <= 256)
+ if (pagenr < 256)
return 1;
if (iomem_is_exclusive(pagenr << PAGE_SHIFT))
return 0;