[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH v2 6/9] xen/arm: add P2M type parameter in guest_physmap_add_pages
On Fri, 6 May 2022, Penny Zheng wrote: > In order to cover the scenario where users intend to set up guest > p2m foreign mapping with nr_pages, this commit adds a new P2M type > parameter in guest_physmap_add_pages. > > Signed-off-by: Penny Zheng <penny.zheng@xxxxxxx> Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx> > --- > v2 change: > - no change > --- > xen/arch/arm/domain_build.c | 5 +++-- > xen/arch/arm/include/asm/p2m.h | 5 +++-- > 2 files changed, 6 insertions(+), 4 deletions(-) > > diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c > index b3ba0c501d..089b9e99fc 100644 > --- a/xen/arch/arm/domain_build.c > +++ b/xen/arch/arm/domain_build.c > @@ -507,7 +507,7 @@ static bool __init append_static_memory_to_bank(struct > domain *d, > else > sgfn = gaddr_to_gfn(mfn_to_maddr(smfn)); > > - res = guest_physmap_add_pages(d, sgfn, smfn, nr_pages); > + res = guest_physmap_add_pages(d, sgfn, smfn, nr_pages, p2m_ram_rw); > if ( res ) > { > dprintk(XENLOG_ERR, "Failed to map pages to DOMU: %d", res); > @@ -850,7 +850,8 @@ static int __init allocate_shared_memory(struct domain *d, > nr_pages = PFN_DOWN(psize); > if ( d != dom_io ) > { > - ret = guest_physmap_add_pages(d, gaddr_to_gfn(gbase), smfn, > PFN_DOWN(psize)); > + ret = guest_physmap_add_pages(d, gaddr_to_gfn(gbase), smfn, nr_pages, > + p2m_ram_rw); > if ( ret ) > { > printk(XENLOG_ERR > diff --git a/xen/arch/arm/include/asm/p2m.h b/xen/arch/arm/include/asm/p2m.h > index 8cce459b67..58590145b0 100644 > --- a/xen/arch/arm/include/asm/p2m.h > +++ b/xen/arch/arm/include/asm/p2m.h > @@ -317,9 +317,10 @@ guest_physmap_add_page(struct domain *d, gfn_t gfn, > mfn_t mfn, > static inline int guest_physmap_add_pages(struct domain *d, > gfn_t gfn, > mfn_t mfn, > - unsigned int nr_pages) > + unsigned int nr_pages, > + p2m_type_t t) > { > - return p2m_insert_mapping(d, gfn, nr_pages, mfn, p2m_ram_rw); > + return p2m_insert_mapping(d, gfn, nr_pages, mfn, t); > } > > mfn_t gfn_to_mfn(struct domain *d, gfn_t gfn); > -- > 2.25.1 >
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