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| author | Paul Mundt <lethal@linux-sh.org> | 2011-01-11 15:02:59 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2011-01-11 15:02:59 +0900 |
| commit | efb3e34b6176d30c4fe8635fa8e1beb6280cc2cd (patch) | |
| tree | e5ed3fee988e3816a9f4ea47bf83970a010cb83e /README | |
| parent | 11e1ed6e88616be5489a43bc6297d9bb8464908b (diff) | |
| download | linux-efb3e34b6176d30c4fe8635fa8e1beb6280cc2cd.tar.gz linux-efb3e34b6176d30c4fe8635fa8e1beb6280cc2cd.tar.bz2 linux-efb3e34b6176d30c4fe8635fa8e1beb6280cc2cd.zip | |
sh: Fix up legacy PTEA space attribute mapping.
When p3_ioremap() was converted to ioremap_prot() there was some breakage
introduced where the 29-bit segmentation logic would trap the area range
and return an identity mapping without having allowed the area
specification to force mapping through page tables. This wires up a PCC
mask for pgprot verification to work out whether to short-circuit the
identity mapping on legacy parts, restoring the previous behaviour.
Reported-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Cc: stable@kernel.org
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'README')
0 files changed, 0 insertions, 0 deletions