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| author |   Sergey Dyasly <dserrg@gmail.com> | 2013-09-24 16:38:00 +0100 |
|---|---|---|
| committer |   Russell King <rmk+kernel@arm.linux.org.uk> | 2013-10-29 11:06:03 +0000 |
| commit | 3159f372354e8e1f5dee714663d705dd2c7e0759 (patch) | |
| tree | 6ac30e573a919746517032111272f06061d2f329 /tools/perf/scripts/python/syscall-counts-by-pid.py | |
| parent | Linux 3.12-rc6 (diff) | |
| download | linux-dev-3159f372354e8e1f5dee714663d705dd2c7e0759.tar.xz linux-dev-3159f372354e8e1f5dee714663d705dd2c7e0759.zip | |
ARM: 7840/1: LPAE: don't reject mapping /dev/mem above 4GB
With LPAE enabled, physical address space is larger than 4GB. Allow mapping any
part of it via /dev/mem by using PHYS_MASK to determine valid range.
PHYS_MASK covers 40 bits with LPAE enabled and 32 bits otherwise.
Reported-by: Vassili Karpov <av1474@comtv.ru>
Signed-off-by: Sergey Dyasly <dserrg@gmail.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts-by-pid.py')
0 files changed, 0 insertions, 0 deletions