xen/pv: refactor msr access functions to support safe and unsafe accesses
authorJuergen Gross <jgross@suse.com>
Mon, 26 Sep 2022 10:33:03 +0000 (12:33 +0200)
committerJuergen Gross <jgross@suse.com>
Tue, 11 Oct 2022 08:50:58 +0000 (10:50 +0200)
commita1886b915e81439ba045b1431f3319d37ac1b906
tree8587026743c091ad021176777a6a8d9a9ecadf45
parentf90d98bdd06c0f3d1a60462c85324bd61f2a7142
xen/pv: refactor msr access functions to support safe and unsafe accesses

Refactor and rename xen_read_msr_safe() and xen_write_msr_safe() to
support both cases of MSR accesses, safe ones and potentially GP-fault
generating ones.

This will prepare to no longer swallow GPs silently in xen_read_msr()
and xen_write_msr().

Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
arch/x86/xen/enlighten_pv.c