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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-12 16:41:29 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-12 16:41:29 -0400
commit0806ca2ab3ef7d7a1bd41a980f661a13ba11acb5 (patch)
treeb0efd7382e59de26f173f61b677a579f3f4ee137 /Documentation/ia64/aliasing.txt
parent21ba0f88ae56da82a3a15fe54d729208b64c4f4b (diff)
parent1612b18ccb2318563ba51268289dc3271a6052f7 (diff)
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] Support multiple CPUs going through OS_MCA [IA64] silence GCC ia64 unused variable warnings [IA64] prevent MCA when performing MMIO mmap to PCI config space [IA64] add sn_register_pmi_handler oemcall [IA64] Stop bit for brl instruction [IA64] SN: Correct ROM resource length for BIOS copy [IA64] Don't set psr.ic and psr.i simultaneously
Diffstat (limited to 'Documentation/ia64/aliasing.txt')
-rw-r--r--Documentation/ia64/aliasing.txt12
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diff --git a/Documentation/ia64/aliasing.txt b/Documentation/ia64/aliasing.txt
index 9a431a7d0f5d..aa3e953f0f7b 100644
--- a/Documentation/ia64/aliasing.txt
+++ b/Documentation/ia64/aliasing.txt
@@ -112,6 +112,18 @@ POTENTIAL ATTRIBUTE ALIASING CASES
112 112
113 The /dev/mem mmap constraints apply. 113 The /dev/mem mmap constraints apply.
114 114
115 mmap of /proc/bus/pci/.../??.?
116
117 This is an MMIO mmap of PCI functions, which additionally may or
118 may not be requested as using the WC attribute.
119
120 If WC is requested, and the region in kern_memmap is either WC
121 or UC, and the EFI memory map designates the region as WC, then
122 the WC mapping is allowed.
123
124 Otherwise, the user mapping must use the same attribute as the
125 kernel mapping.
126
115 read/write of /dev/mem 127 read/write of /dev/mem
116 128
117 This uses copy_from_user(), which implicitly uses a kernel 129 This uses copy_from_user(), which implicitly uses a kernel