diff options
author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-12 16:41:29 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-12 16:41:29 -0400 |
commit | 0806ca2ab3ef7d7a1bd41a980f661a13ba11acb5 (patch) | |
tree | b0efd7382e59de26f173f61b677a579f3f4ee137 /Documentation/ia64/aliasing.txt | |
parent | 21ba0f88ae56da82a3a15fe54d729208b64c4f4b (diff) | |
parent | 1612b18ccb2318563ba51268289dc3271a6052f7 (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.txt | 12 |
1 files changed, 12 insertions, 0 deletions
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 |