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| author | Boris Ostrovsky <boris.ostrovsky@oracle.com> | 2021-11-02 19:36:36 -0400 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-11-11 13:09:32 +0100 |
| commit | ce2612b6706b4d0a70732795253722e3bd4ed953 (patch) | |
| tree | e8835b0b9202ee24f298777e9d9cda95d493c36b /kernel | |
| parent | debe436e77c72fcee804fb867f275e6d31aa999c (diff) | |
x86/smp: Factor out parts of native_smp_prepare_cpus()
Commit 66558b730f25 ("sched: Add cluster scheduler level for x86")
introduced cpu_l2c_shared_map mask which is expected to be initialized
by smp_op.smp_prepare_cpus(). That commit only updated
native_smp_prepare_cpus() version but not xen_pv_smp_prepare_cpus().
As result Xen PV guests crash in set_cpu_sibling_map().
While the new mask can be allocated in xen_pv_smp_prepare_cpus() one can
see that both versions of smp_prepare_cpus ops share a number of common
operations that can be factored out. So do that instead.
Fixes: 66558b730f25 ("sched: Add cluster scheduler level for x86")
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lkml.kernel.org/r/1635896196-18961-1-git-send-email-boris.ostrovsky@oracle.com
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions