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xen: Add xen_mr_is_memory()

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Add xen_mr_is_memory() to abstract away tests for the
xen_memory MR.

No functional changes.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240529140739.1387692-4-edgar.iglesias@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This commit is contained in:
Edgar E. Iglesias 2024-04-30 18:49:36 +02:00 • committed by Philippe Mathieu-Daudé
parent 638181a180
commit 1be974bc26
2 changed files with 9 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

10
hw/xen/xen-hvm-common.c
View file

@ -12,6 +12,12 @@
MemoryRegion xen_memory; MemoryRegion xen_memory;
/* Check for xen memory. */
bool xen_mr_is_memory(MemoryRegion *mr)
{
return mr == &xen_memory;
}
void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size, MemoryRegion *mr, void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size, MemoryRegion *mr,
Error **errp) Error **errp)
{ {
@ -28,7 +34,7 @@ void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size, MemoryRegion *mr,
return; return;
} }
if (mr == &xen_memory) { if (xen_mr_is_memory(mr)) {
return; return;
} }
@ -55,7 +61,7 @@ static void xen_set_memory(struct MemoryListener *listener,
{ {
XenIOState *state = container_of(listener, XenIOState, memory_listener); XenIOState *state = container_of(listener, XenIOState, memory_listener);
if (section->mr == &xen_memory) { if (xen_mr_is_memory(section->mr)) {
return; return;
} else { } else {
if (add) { if (add) {

1
include/sysemu/xen.h
View file

@ -49,4 +49,5 @@ static inline void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size,
#endif /* CONFIG_XEN_IS_POSSIBLE */ #endif /* CONFIG_XEN_IS_POSSIBLE */
bool xen_mr_is_memory(MemoryRegion *mr);
#endif #endif