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| author | Yinghai Lu <[email protected]> | 2009-03-03 07:36:13 +0000 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2009-03-03 07:50:22 +0000 |
| commit | 0fc59d3a01820765e5f3a723733728758b0cf577 (patch) | |
| tree | 1feae906b3ea81e6e8840900c14d63c1350998b5 /lib/dma-debug.c | |
| parent | Revert "menu: fix embedded menu snafu" (diff) | |
| download | kernel-0fc59d3a01820765e5f3a723733728758b0cf577.tar.gz kernel-0fc59d3a01820765e5f3a723733728758b0cf577.zip | |
x86: fix init_memory_mapping() to handle small ranges
Impact: fix failed EFI bootup in certain circumstances
Ying Huang found init_memory_mapping() has problem with small ranges
less than 2M when he tried to direct map the EFI runtime code out of
max_low_pfn_mapped.
It turns out we never considered that case and didn't check the range...
Reported-by: Ying Huang <[email protected]>
Signed-off-by: Yinghai Lu <[email protected]>
Cc: Brian Maly <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'lib/dma-debug.c')
0 files changed, 0 insertions, 0 deletions