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diff --git a/sys/compat/linuxkpi/common/src/linux_page.c b/sys/compat/linuxkpi/common/src/linux_page.c
--- a/sys/compat/linuxkpi/common/src/linux_page.c
+++ b/sys/compat/linuxkpi/common/src/linux_page.c
@@ -327,6 +327,7 @@
LIST_ENTRY(vmmap) vm_next;
void *vm_addr;
unsigned long vm_size;
+ bool vm_is_io;
};
struct vmmaphd {
@@ -345,7 +346,7 @@
}
static void
-vmmap_add(void *addr, unsigned long size)
+vmmap_add(void *addr, unsigned long size, bool is_io)
{
struct vmmap *vmmap;
@@ -353,6 +354,7 @@
mtx_lock(&vmmaplock);
vmmap->vm_size = size;
vmmap->vm_addr = addr;
+ vmmap->vm_is_io = is_io;
LIST_INSERT_HEAD(&vmmaphead[VM_HASH(addr)], vmmap, vm_next);
mtx_unlock(&vmmaplock);
}
@@ -373,6 +375,25 @@
return (vmmap);
}
+static void
+_lkpi_vunmap(void *addr)
+{
+ struct vmmap *vmmap;
+
+ vmmap = vmmap_remove(addr);
+ if (vmmap == NULL)
+ return;
+ if (vmmap->vm_is_io) {
+#if defined(__i386__) || defined(__amd64__) || defined(__powerpc__) || defined(__aarch64__) || defined(__riscv)
+ pmap_unmapdev(addr, vmmap->vm_size);
+#endif
+ } else {
+ pmap_qremove((vm_offset_t)addr, vmmap->vm_size / PAGE_SIZE);
+ kva_free((vm_offset_t)addr, vmmap->vm_size);
+ }
+ kfree(vmmap);
+}
+
#if defined(__i386__) || defined(__amd64__) || defined(__powerpc__) || defined(__aarch64__) || defined(__riscv)
void *
_ioremap_attr(vm_paddr_t phys_addr, unsigned long size, int attr)
@@ -382,7 +403,7 @@
addr = pmap_mapdev_attr(phys_addr, size, attr);
if (addr == NULL)
return (NULL);
- vmmap_add(addr, size);
+ vmmap_add(addr, size, true);
return (addr);
}
@@ -391,15 +412,7 @@
void
iounmap(void *addr)
{
- struct vmmap *vmmap;
-
- vmmap = vmmap_remove(addr);
- if (vmmap == NULL)
- return;
-#if defined(__i386__) || defined(__amd64__) || defined(__powerpc__) || defined(__aarch64__) || defined(__riscv)
- pmap_unmapdev(addr, vmmap->vm_size);
-#endif
- kfree(vmmap);
+ _lkpi_vunmap(addr);
}
void *
@@ -412,7 +425,7 @@
off = kva_alloc(size);
if (off == 0)
return (NULL);
- vmmap_add((void *)off, size);
+ vmmap_add((void *)off, size, false);
pmap_qenter(off, pages, count);
return ((void *)off);
@@ -421,14 +434,7 @@
void
vunmap(void *addr)
{
- struct vmmap *vmmap;
-
- vmmap = vmmap_remove(addr);
- if (vmmap == NULL)
- return;
- pmap_qremove((vm_offset_t)addr, vmmap->vm_size / PAGE_SIZE);
- kva_free((vm_offset_t)addr, vmmap->vm_size);
- kfree(vmmap);
+ _lkpi_vunmap(addr);
}
vm_fault_t

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