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| author | Catalin Marinas <catalin.marinas@arm.com> | 2014-03-12 16:07:06 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2014-03-13 11:22:21 +0000 |
| commit | de2db7432917a82b62d55bb59635586eeca6d1bd (patch) | |
| tree | c6b64c335eec30b34bfa9d72c7c8ba9afe8418d1 /tools/perf/scripts/python | |
| parent | arm64: barriers: add dmb barrier (diff) | |
| download | linux-de2db7432917a82b62d55bb59635586eeca6d1bd.tar.gz linux-de2db7432917a82b62d55bb59635586eeca6d1bd.zip | |
arm64: Make DMA coherent and strongly ordered mappings not executable
pgprot_{dmacoherent,writecombine,noncached} don't need to generate
executable mappings with side-effects like __sync_icache_dcache() being
called when the mapping is in user space.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reported-by: Bharat Bhushan <Bharat.Bhushan@freescale.com>
Tested-by: Laura Abbott <lauraa@codeaurora.org>
Tested-by: Bharat Bhushan <Bharat.Bhushan@freescale.com>
Cc: <stable@vger.kernel.org>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions