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([2001:b07:6468:f312:c8dd:75d4:99ab:290a]) by smtp.gmail.com with ESMTPSA id p4sm1421909wma.36.2021.02.10.09.13.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 10 Feb 2021 09:13:42 -0800 (PST) Subject: Re: [PATCH] KVM: selftests: Add missing header file needed by xAPIC IPI tests To: Sean Christopherson Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Andrew Jones , Jim Mattson , Peter Shier References: <20210210011747.240913-1-seanjc@google.com> From: Paolo Bonzini Message-ID: <82615c80-b904-d655-0c68-b9ad504a04b2@redhat.com> Date: Wed, 10 Feb 2021 18:13:41 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <20210210011747.240913-1-seanjc@google.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/02/21 02:17, Sean Christopherson wrote: > From: Peter Shier > > Fixes: 678e90a349a4 ("KVM: selftests: Test IPI to halted vCPU in xAPIC while backing page moves") > Cc: Andrew Jones > Cc: Jim Mattson > Signed-off-by: Peter Shier > Signed-off-by: Sean Christopherson > --- > > Delta patch taken verbatim from Peter's original submission. Applying the > original patch directly is mildly annoying due to conflicts with kvm/next > in other files. > > tools/testing/selftests/kvm/include/numaif.h | 55 ++++++++++++++++++++ > 1 file changed, 55 insertions(+) > create mode 100644 tools/testing/selftests/kvm/include/numaif.h > > diff --git a/tools/testing/selftests/kvm/include/numaif.h b/tools/testing/selftests/kvm/include/numaif.h > new file mode 100644 > index 000000000000..b020547403fd > --- /dev/null > +++ b/tools/testing/selftests/kvm/include/numaif.h > @@ -0,0 +1,55 @@ > +/* SPDX-License-Identifier: GPL-2.0-only */ > +/* > + * tools/testing/selftests/kvm/include/numaif.h > + * > + * Copyright (C) 2020, Google LLC. > + * > + * This work is licensed under the terms of the GNU GPL, version 2. > + * > + * Header file that provides access to NUMA API functions not explicitly > + * exported to user space. > + */ > + > +#ifndef SELFTEST_KVM_NUMAIF_H > +#define SELFTEST_KVM_NUMAIF_H > + > +#define __NR_get_mempolicy 239 > +#define __NR_migrate_pages 256 > + > +/* System calls */ > +long get_mempolicy(int *policy, const unsigned long *nmask, > + unsigned long maxnode, void *addr, int flags) > +{ > + return syscall(__NR_get_mempolicy, policy, nmask, > + maxnode, addr, flags); > +} > + > +long migrate_pages(int pid, unsigned long maxnode, > + const unsigned long *frommask, > + const unsigned long *tomask) > +{ > + return syscall(__NR_migrate_pages, pid, maxnode, frommask, tomask); > +} > + > +/* Policies */ > +#define MPOL_DEFAULT 0 > +#define MPOL_PREFERRED 1 > +#define MPOL_BIND 2 > +#define MPOL_INTERLEAVE 3 > + > +#define MPOL_MAX MPOL_INTERLEAVE > + > +/* Flags for get_mem_policy */ > +#define MPOL_F_NODE (1<<0) /* return next il node or node of address */ > + /* Warning: MPOL_F_NODE is unsupported and > + * subject to change. Don't use. > + */ > +#define MPOL_F_ADDR (1<<1) /* look up vma using address */ > +#define MPOL_F_MEMS_ALLOWED (1<<2) /* query nodes allowed in cpuset */ > + > +/* Flags for mbind */ > +#define MPOL_MF_STRICT (1<<0) /* Verify existing pages in the mapping */ > +#define MPOL_MF_MOVE (1<<1) /* Move pages owned by this process to conform to mapping */ > +#define MPOL_MF_MOVE_ALL (1<<2) /* Move every page to conform to mapping */ > + > +#endif /* SELFTEST_KVM_NUMAIF_H */ My fault. :( I had the file locally of course, but ended up not being committed. Paolo