| Message ID | 20160816221714.22041-21-proskurin@sec.in.tum.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hello Sergej, On 16/08/2016 23:16, Sergej Proskurin wrote: > This commit introduces the macro "p2m_get_active_p2m" returning the > currently active (alt)p2m. The need for this macro will be shown in the > following commits. > > Signed-off-by: Sergej Proskurin <proskurin@sec.in.tum.de> Acked-by: Julien Grall <julien.grall@arm.com> Regards, > --- > Cc: Stefano Stabellini <sstabellini@kernel.org> > Cc: Julien Grall <julien.grall@arm.com> > --- > xen/arch/arm/p2m.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c > index 63c0df0..12b3dcc 100644 > --- a/xen/arch/arm/p2m.c > +++ b/xen/arch/arm/p2m.c > @@ -29,6 +29,9 @@ static unsigned int __read_mostly p2m_root_level; > > #define P2M_ROOT_PAGES (1<<P2M_ROOT_ORDER) > > +#define p2m_get_active_p2m(v) unlikely(altp2m_active(v->domain)) ? \ > + altp2m_get_altp2m(v) : p2m_get_hostp2m(v->domain); > + > #define p2m_switch_vttbr_and_get_flags(ovttbr, nvttbr, flags) \ > ({ \ > if ( ovttbr != nvttbr ) \ >
diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c index 63c0df0..12b3dcc 100644 --- a/xen/arch/arm/p2m.c +++ b/xen/arch/arm/p2m.c @@ -29,6 +29,9 @@ static unsigned int __read_mostly p2m_root_level; #define P2M_ROOT_PAGES (1<<P2M_ROOT_ORDER) +#define p2m_get_active_p2m(v) unlikely(altp2m_active(v->domain)) ? \ + altp2m_get_altp2m(v) : p2m_get_hostp2m(v->domain); + #define p2m_switch_vttbr_and_get_flags(ovttbr, nvttbr, flags) \ ({ \ if ( ovttbr != nvttbr ) \
This commit introduces the macro "p2m_get_active_p2m" returning the currently active (alt)p2m. The need for this macro will be shown in the following commits. Signed-off-by: Sergej Proskurin <proskurin@sec.in.tum.de> --- Cc: Stefano Stabellini <sstabellini@kernel.org> Cc: Julien Grall <julien.grall@arm.com> --- xen/arch/arm/p2m.c | 3 +++ 1 file changed, 3 insertions(+)