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diff --git a/sys/riscv/riscv/pmap.c b/sys/riscv/riscv/pmap.c
--- a/sys/riscv/riscv/pmap.c
+++ b/sys/riscv/riscv/pmap.c
@@ -159,6 +159,7 @@
#include <machine/machdep.h>
#include <machine/md_var.h>
+#include <machine/ifunc.h>
#include <machine/pcb.h>
#include <machine/sbi.h>
#include <machine/thead.h>
@@ -1077,7 +1078,7 @@
* sfence_vma() on remote CPUs.
*/
static void
-pmap_invalidate_page(pmap_t pmap, vm_offset_t va)
+pmap_invalidate_page_sbi(pmap_t pmap, vm_offset_t va)
{
cpuset_t mask;
@@ -1092,7 +1093,7 @@
}
static void
-pmap_invalidate_range(pmap_t pmap, vm_offset_t sva, vm_offset_t eva)
+pmap_invalidate_range_sbi(pmap_t pmap, vm_offset_t sva, vm_offset_t eva)
{
cpuset_t mask;
@@ -1111,6 +1112,71 @@
sched_unpin();
}
+#define PMAP_SVINVAL_THRESHOLD (2 * L2_SIZE)
+
+struct svinval_args {
+ vm_offset_t sva;
+ vm_offset_t eva;
+};
+
+static void
+pmap_invalidate_range_svinval_cb(void *arg)
+{
+ struct svinval_args *args = arg;
+ vm_offset_t va;
+
+ if (args->eva - args->sva >= PMAP_SVINVAL_THRESHOLD) {
+ sfence_vma();
+ return;
+ }
+ sfence_w_inval();
+ for (va = args->sva; va < args->eva; va += PAGE_SIZE)
+ sinval_vma_page(va);
+ sfence_inval_ir();
+}
+
+static void
+pmap_invalidate_range_svinval(pmap_t pmap, vm_offset_t sva, vm_offset_t eva)
+{
+ struct svinval_args args;
+ cpuset_t mask;
+
+ sched_pin();
+ args.sva = sva;
+ args.eva = eva;
+ mask = pmap->pm_active;
+ CPU_CLR(PCPU_GET(hart), &mask);
+ fence();
+ if (!CPU_EMPTY(&mask) && smp_started)
+ smp_rendezvous_cpus(mask, NULL, pmap_invalidate_range_svinval_cb,
+ NULL, &args);
+
+ pmap_invalidate_range_svinval_cb(&args);
+ sched_unpin();
+}
+
+static void
+pmap_invalidate_page_svinval(pmap_t pmap, vm_offset_t va)
+{
+ pmap_invalidate_range_svinval(pmap, va, va + PAGE_SIZE);
+}
+
+DEFINE_IFUNC(, void, pmap_invalidate_range,
+ (pmap_t pmap, vm_offset_t sva, vm_offset_t eva))
+{
+ if (has_svinval)
+ return (pmap_invalidate_range_svinval);
+ return (pmap_invalidate_range_sbi);
+}
+
+DEFINE_IFUNC(, void, pmap_invalidate_page,
+ (pmap_t pmap, vm_offset_t va))
+{
+ if (has_svinval)
+ return (pmap_invalidate_page_svinval);
+ return (pmap_invalidate_page_sbi);
+}
+
static void
pmap_invalidate_all(pmap_t pmap)
{

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