On Sun, May 22, 2022 at 07:53:57AM -0700, Guenter Roeck wrote: > On Tue, May 10, 2022 at 08:47:39AM -0700, Yury Norov wrote: > > kvm_hv_flush_tlb() applies bitmap API to a u64 variable valid_bank_mask. > > Since valid_bank_mask has a fixed size, we can use hweight64() and avoid > > excessive bloating. > > In kvm_hv_send_ipi(), valid_bank_mask is unsigned long, not u64. > > This results in: > > arch/x86/kvm/hyperv.c: In function 'kvm_hv_send_ipi': > include/asm-generic/bitops/const_hweight.h:21:76: error: right shift count >= width of type > > on all 32-bit builds. > > Guenter Hi Guenter, The fix is in Paolo's tree: https://lore.kernel.org/lkml/20220519171504.1238724-1-yury.norov@xxxxxxxxx/T/ Thanks, Yury
