diff mbox series

[24/29] mm: enable speculative fault handling through do_swap_page()

Message ID 20210430195232.30491-25-michel@lespinasse.org (mailing list archive)
State New, archived
Headers show
Series [01/29] mm: export dump_mm | expand

Commit Message

Michel Lespinasse April 30, 2021, 7:52 p.m. UTC 
Change do_swap_page() to allow speculative fault execution to proceed.

Signed-off-by: Michel Lespinasse <michel@lespinasse.org>
---
 mm/memory.c | 5 -----
 1 file changed, 5 deletions(-)
diff mbox series

Patch

diff --git a/mm/memory.c b/mm/memory.c
index a3708b4a616c..cf1a1c0196f0 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3357,11 +3357,6 @@  vm_fault_t do_swap_page(struct vm_fault *vmf)
 	vm_fault_t ret = 0;
 	void *shadow = NULL;
 
-	if (vmf->flags & FAULT_FLAG_SPECULATIVE) {
-		pte_unmap(vmf->pte);
-		return VM_FAULT_RETRY;
-	}
-
 #if defined(CONFIG_SMP) || defined(CONFIG_PREEMPTION)
 	if (sizeof(pte_t) > sizeof(unsigned long)) {
 		/*