Currently, we only allow to flush cache on regions mapped as p2m_ram_{rw,ro}.There are no real problem in cache flushing any RAM regions such as grants and foreign mapping. Therefore, relax the check to allow flushing the cache on any RAM region. Signed-off-by: Julien Grall <[email protected]> Reviewed-by: Stefano Stabellini <[email protected]> --- Changes in v2: - Fix typoes - Add Stefano's reviewed-by --- xen/arch/arm/p2m.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/arm/p2m.c b/xen/arch/arm/p2m.c index 836157292c..4e0ddbf70b 100644 --- a/xen/arch/arm/p2m.c +++ b/xen/arch/arm/p2m.c @@ -1539,7 +1539,7 @@ int p2m_cache_flush_range(struct domain *d, gfn_t start, gfn_t end) next_gfn = gfn_next_boundary(start, order); /* Skip hole and non-RAM page */ - if ( mfn_eq(mfn, INVALID_MFN) || !p2m_is_ram(t) ) + if ( mfn_eq(mfn, INVALID_MFN) || !p2m_is_any_ram(t) ) continue; /* XXX: Implement preemption */ -- 2.11.0 _______________________________________________ Xen-devel mailing list [email protected] https://lists.xenproject.org/mailman/listinfo/xen-devel
