Hi Peter, Unfortunately I can't apply this on top of our drm-next the first patch fails.
Alex: could we rebase again at some point? Tom On 2018-11-30 8:44 a.m., Peter Zijlstra wrote: > Hi, > > Yesterday Tom reported a CPA bug triggered by the AMDGPU team. > > It turns out that with commit: > > a7295fd53c39 ("x86/mm/cpa: Use flush_tlb_kernel_range()") > > I misread the cpa array code and messed up the TLB invalidations for it. These > patches (hopefully) fix the issue while also shrinking the CPA code again. > > Tom, would you be so kind as to test again? These patches are significantly > different from what I send you yesterday. > > --- > arch/x86/mm/mm_internal.h | 2 + > arch/x86/mm/pageattr.c | 167 ++++++++++++++++++++-------------------------- > arch/x86/mm/tlb.c | 4 +- > 3 files changed, 79 insertions(+), 94 deletions(-) >