Hello to all,
here is my BUG-Fix tested against kernel 6.12.19 and 6.12.28.
Signed-off-by: Andreas greveandreas.gr...@a-greve.de
diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
index abcf3fa63a56..742e6cbbe852 100644
--- a/kernel/dma/swiotlb.c
+++ b/kernel/dma/swiotlb.c
@@ -1654,7 +1654,16 @@ phys_addr_t default_swiotlb_base(void)
phys_addr_t default_swiotlb_limit(void)
{
#ifdef CONFIG_SWIOTLB_DYNAMIC
- return io_tlb_default_mem.phys_limit;
+ struct io_tlb_mem *mem = &io_tlb_default_mem;
+ phys_addr_t retval = mem->defpool.end;
+ struct io_tlb_pool *pool;
+ rcu_read_lock();
+ list_for_each_entry_rcu(pool, &mem->pools, node) {
+ if (pool->end > retval)
+ retval = pool->end;
+ }
+ rcu_read_unlock();
+ return retval - 1;
#else
return io_tlb_default_mem.defpool.end - 1;
#endif
