| Message ID | 20240503014449.1046238-6-edgar.iglesias@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | xen: Support grant mappings | expand |
On Fri, 3 May 2024, Edgar E. Iglesias wrote: > From: "Edgar E. Iglesias" <edgar.iglesias@amd.com> > > For xen, when checking for the first RAM (xen_memory), use > xen_mr_is_memory() rather than checking for a RAMBlock with > offset 0. > > All Xen machines create xen_memory first so this has no > functional change for existing machines. > > Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com> Reviewed-by: Stefano Stabellini <sstabellini@kernel.org> > --- > system/physmem.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/system/physmem.c b/system/physmem.c > index 5e6257ef65..b7847db1a2 100644 > --- a/system/physmem.c > +++ b/system/physmem.c > @@ -2229,7 +2229,7 @@ static void *qemu_ram_ptr_length(RAMBlock *block, ram_addr_t addr, > * because we don't want to map the entire memory in QEMU. > * In that case just map the requested area. > */ > - if (block->offset == 0) { > + if (xen_mr_is_memory(block->mr)) { > return xen_map_cache(block->mr, block->offset + addr, > len, lock, lock, > is_write); > -- > 2.40.1 >
diff --git a/system/physmem.c b/system/physmem.c index 5e6257ef65..b7847db1a2 100644 --- a/system/physmem.c +++ b/system/physmem.c @@ -2229,7 +2229,7 @@ static void *qemu_ram_ptr_length(RAMBlock *block, ram_addr_t addr, * because we don't want to map the entire memory in QEMU. * In that case just map the requested area. */ - if (block->offset == 0) { + if (xen_mr_is_memory(block->mr)) { return xen_map_cache(block->mr, block->offset + addr, len, lock, lock, is_write);