[RFC PATCH 22/37] mm: enable speculative fault handling through do_swap_page()

[Michel Lespinasse]

Change do_swap_page() to allow speculative fault execution to proceed.

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

diff --git a/mm/memory.c b/mm/memory.c
index ab3160719bf3..6eddd7b4e89c 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3340,11 +3340,6 @@ 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)) {
                /*
-- 
2.20.1