diff mbox series

[v4,05/17] xen: mapcache: Refactor xen_remap_bucket for multi-instance

Message ID 20240430164939.925307-6-edgar.iglesias@gmail.com (mailing list archive)
State New, archived
Headers show
Series xen: Support grant mappings | expand

Commit Message

Edgar E. Iglesias April 30, 2024, 4:49 p.m. UTC
From: "Edgar E. Iglesias" <edgar.iglesias@amd.com>

Add MapCache argument to xen_remap_bucket in preparation
to support multiple map caches.

No functional changes.

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
---
 hw/xen/xen-mapcache.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

Comments

Stefano Stabellini May 1, 2024, 8:42 p.m. UTC | #1
On Tue, 30 Apr 2024, Edgar E. Iglesias wrote:
> From: "Edgar E. Iglesias" <edgar.iglesias@amd.com>
> 
> Add MapCache argument to xen_remap_bucket in preparation
> to support multiple map caches.
> 
> No functional changes.
> 
> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>

Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>


> ---
>  hw/xen/xen-mapcache.c | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/hw/xen/xen-mapcache.c b/hw/xen/xen-mapcache.c
> index 896021d86f..326a9b61ca 100644
> --- a/hw/xen/xen-mapcache.c
> +++ b/hw/xen/xen-mapcache.c
> @@ -139,7 +139,8 @@ void xen_map_cache_init(phys_offset_to_gaddr_t f, void *opaque)
>      mapcache->entry = g_malloc0(size);
>  }
>  
> -static void xen_remap_bucket(MapCacheEntry *entry,
> +static void xen_remap_bucket(MapCache *mc,
> +                             MapCacheEntry *entry,
>                               void *vaddr,
>                               hwaddr size,
>                               hwaddr address_index,
> @@ -313,14 +314,14 @@ tryagain:
>      if (!entry) {
>          entry = g_new0(MapCacheEntry, 1);
>          pentry->next = entry;
> -        xen_remap_bucket(entry, NULL, cache_size, address_index, dummy);
> +        xen_remap_bucket(mc, entry, NULL, cache_size, address_index, dummy);
>      } else if (!entry->lock) {
>          if (!entry->vaddr_base || entry->paddr_index != address_index ||
>                  entry->size != cache_size ||
>                  !test_bits(address_offset >> XC_PAGE_SHIFT,
>                      test_bit_size >> XC_PAGE_SHIFT,
>                      entry->valid_mapping)) {
> -            xen_remap_bucket(entry, NULL, cache_size, address_index, dummy);
> +            xen_remap_bucket(mc, entry, NULL, cache_size, address_index, dummy);
>          }
>      }
>  
> @@ -587,7 +588,7 @@ static uint8_t *xen_replace_cache_entry_unlocked(hwaddr old_phys_addr,
>  
>      trace_xen_replace_cache_entry_dummy(old_phys_addr, new_phys_addr);
>  
> -    xen_remap_bucket(entry, entry->vaddr_base,
> +    xen_remap_bucket(mapcache, entry, entry->vaddr_base,
>                       cache_size, address_index, false);
>      if (!test_bits(address_offset >> XC_PAGE_SHIFT,
>                  test_bit_size >> XC_PAGE_SHIFT,
> -- 
> 2.40.1
>
Philippe Mathieu-Daudé May 6, 2024, 9:54 a.m. UTC | #2
On 30/4/24 18:49, Edgar E. Iglesias wrote:
> From: "Edgar E. Iglesias" <edgar.iglesias@amd.com>
> 
> Add MapCache argument to xen_remap_bucket in preparation
> to support multiple map caches.
> 
> No functional changes.
> 
> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
> ---
>   hw/xen/xen-mapcache.c | 9 +++++----
>   1 file changed, 5 insertions(+), 4 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
diff mbox series

Patch

diff --git a/hw/xen/xen-mapcache.c b/hw/xen/xen-mapcache.c
index 896021d86f..326a9b61ca 100644
--- a/hw/xen/xen-mapcache.c
+++ b/hw/xen/xen-mapcache.c
@@ -139,7 +139,8 @@  void xen_map_cache_init(phys_offset_to_gaddr_t f, void *opaque)
     mapcache->entry = g_malloc0(size);
 }
 
-static void xen_remap_bucket(MapCacheEntry *entry,
+static void xen_remap_bucket(MapCache *mc,
+                             MapCacheEntry *entry,
                              void *vaddr,
                              hwaddr size,
                              hwaddr address_index,
@@ -313,14 +314,14 @@  tryagain:
     if (!entry) {
         entry = g_new0(MapCacheEntry, 1);
         pentry->next = entry;
-        xen_remap_bucket(entry, NULL, cache_size, address_index, dummy);
+        xen_remap_bucket(mc, entry, NULL, cache_size, address_index, dummy);
     } else if (!entry->lock) {
         if (!entry->vaddr_base || entry->paddr_index != address_index ||
                 entry->size != cache_size ||
                 !test_bits(address_offset >> XC_PAGE_SHIFT,
                     test_bit_size >> XC_PAGE_SHIFT,
                     entry->valid_mapping)) {
-            xen_remap_bucket(entry, NULL, cache_size, address_index, dummy);
+            xen_remap_bucket(mc, entry, NULL, cache_size, address_index, dummy);
         }
     }
 
@@ -587,7 +588,7 @@  static uint8_t *xen_replace_cache_entry_unlocked(hwaddr old_phys_addr,
 
     trace_xen_replace_cache_entry_dummy(old_phys_addr, new_phys_addr);
 
-    xen_remap_bucket(entry, entry->vaddr_base,
+    xen_remap_bucket(mapcache, entry, entry->vaddr_base,
                      cache_size, address_index, false);
     if (!test_bits(address_offset >> XC_PAGE_SHIFT,
                 test_bit_size >> XC_PAGE_SHIFT,