On 04/11/2016 05:59, Michael Ellerman wrote: > Christopher Covington <c...@codeaurora.org> writes: > >> The PowerPC VDSO remap and unmap code was copied to a generic location, >> only modifying the variable name expected in mm->context (vdso instead of >> vdso_base) to match most other architectures. Having adopted this generic >> naming, drop the code in arch/powerpc and use the generic version. >> >> Signed-off-by: Christopher Covington <c...@codeaurora.org> >> --- >> arch/powerpc/Kconfig | 1 + >> arch/powerpc/include/asm/Kbuild | 1 + >> arch/powerpc/include/asm/mm-arch-hooks.h | 28 ------------------------- >> arch/powerpc/include/asm/mmu_context.h | 35 >> +------------------------------- >> 4 files changed, 3 insertions(+), 62 deletions(-) >> delete mode 100644 arch/powerpc/include/asm/mm-arch-hooks.h > > This looks OK. > > Have you tested it on powerpc? I could but I don't know how to actually > trigger these paths, I assume I need a CRIU setup?
FWIW, tested on ppc64le using a sample test process moving its VDSO and then catching a signal on 4.9-rc4 and using CRIU on top of 4.8 with sightly changes to due minor upstream changes. Reviewed-by: Laurent Dufour <lduf...@linux.vnet.ibm.com> Tested-by: Laurent Dufour <lduf...@linux.vnet.ibm.com>
