Re: [RFC v2 5/7] powerpc: Rename context.vdso_base to context.vdso

2016-11-07 Thread Michael Ellerman
Will Deacon writes: > On Fri, Nov 04, 2016 at 03:58:22PM +1100, Michael Ellerman wrote: >> Christopher Covington writes: >> > arch/powerpc/include/asm/book3s/32/mmu-hash.h | 2 +- >> > arch/powerpc/include/asm/book3s/64/mmu.h | 2 +- >> > arch/powerpc/include/asm/mm-arch-hooks.h | 6

Re: [RFC v2 5/7] powerpc: Rename context.vdso_base to context.vdso

2016-11-04 Thread Will Deacon
[fixing akpm's email address] On Fri, Nov 04, 2016 at 03:58:22PM +1100, Michael Ellerman wrote: > Christopher Covington writes: > > > Checkpoint/Restore In Userspace (CRIU) needs to be able to unmap and remap > > the VDSO to successfully checkpoint and restore applications in the face of > > cha

Re: [RFC v2 5/7] powerpc: Rename context.vdso_base to context.vdso

2016-11-03 Thread Michael Ellerman
Christopher Covington writes: > Checkpoint/Restore In Userspace (CRIU) needs to be able to unmap and remap > the VDSO to successfully checkpoint and restore applications in the face of > changing VDSO addresses due to Address Space Layout Randomization (ASLR, > randmaps). x86 and PowerPC have had

[RFC v2 5/7] powerpc: Rename context.vdso_base to context.vdso

2016-11-01 Thread Christopher Covington
Checkpoint/Restore In Userspace (CRIU) needs to be able to unmap and remap the VDSO to successfully checkpoint and restore applications in the face of changing VDSO addresses due to Address Space Layout Randomization (ASLR, randmaps). x86 and PowerPC have had architecture-specific code to support t