diff options
| author | Catalin Marinas <catalin.marinas@arm.com> | 2015-09-11 18:22:01 +0100 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2015-09-14 12:28:41 +0100 |
| commit | 62d96c71d248834af2891293dc23cc344ae2ec36 (patch) | |
| tree | 0cab58cfe00d23e610a671f13ed7dc3e2ee66903 /tools/perf/scripts/python/syscall-counts-by-pid.py | |
| parent | b847415ce96efef819534b230d84695b1bc6d36b (diff) | |
arm64: Fix pte_modify() to preserve the hardware dirty information
The pte_modify() function with hardware AF/DBM enabled must transfer the
hardware dirty information to the software PTE_DIRTY bit. However, it
was setting this bit in newprot and the mask does not cover such bit.
This patch sets PTE_DIRTY on the original pte which will be preserved in
the returned value.
Fixes: 2f4b829c625e ("arm64: Add support for hardware updates of the access and dirty pte bits")
Cc: Julien Grall <julien.grall@citrix.com>
Tested-by: Julien Grall <julien.grall@citrix.com>
Tested-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts-by-pid.py')
0 files changed, 0 insertions, 0 deletions