* [folded-merged] userfaultfd-provide-unmasked-address-on-page-fault-v3.patch removed from -mm tree
@ 2022-03-22 19:14 Andrew Morton
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From: Andrew Morton @ 2022-03-22 19:14 UTC (permalink / raw)
To: mm-commits, sfr, rppt, peterx, jack, david, aarcange, namit, akpm
The patch titled
Subject: userfaultfd: provide unmasked address on page-fault
has been removed from the -mm tree. Its filename was
userfaultfd-provide-unmasked-address-on-page-fault-v3.patch
This patch was dropped because it was folded into userfaultfd-provide-unmasked-address-on-page-fault.patch
------------------------------------------------------
From: Nadav Amit <namit@vmware.com>
Subject: userfaultfd: provide unmasked address on page-fault
initialize real_address on all code paths, per Jan
Link: https://lkml.kernel.org/r/20220226022655.350562-1-namit@vmware.com
Signed-off-by: Nadav Amit <namit@vmware.com>
Acked-by: Peter Xu <peterx@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/hugetlb.c | 6 ++++--
mm/swapfile.c | 1 +
2 files changed, 5 insertions(+), 2 deletions(-)
--- a/mm/hugetlb.c~userfaultfd-provide-unmasked-address-on-page-fault-v3
+++ a/mm/hugetlb.c
@@ -5344,6 +5344,7 @@ static inline vm_fault_t hugetlb_handle_
pgoff_t idx,
unsigned int flags,
unsigned long haddr,
+ unsigned long addr,
unsigned long reason)
{
vm_fault_t ret;
@@ -5351,6 +5352,7 @@ static inline vm_fault_t hugetlb_handle_
struct vm_fault vmf = {
.vma = vma,
.address = haddr,
+ .real_address = addr,
.flags = flags,
/*
@@ -5419,7 +5421,7 @@ retry:
/* Check for page in userfault range */
if (userfaultfd_missing(vma)) {
ret = hugetlb_handle_userfault(vma, mapping, idx,
- flags, haddr,
+ flags, haddr, address,
VM_UFFD_MISSING);
goto out;
}
@@ -5483,7 +5485,7 @@ retry:
unlock_page(page);
put_page(page);
ret = hugetlb_handle_userfault(vma, mapping, idx,
- flags, haddr,
+ flags, haddr, address,
VM_UFFD_MINOR);
goto out;
}
--- a/mm/swapfile.c~userfaultfd-provide-unmasked-address-on-page-fault-v3
+++ a/mm/swapfile.c
@@ -1951,6 +1951,7 @@ static int unuse_pte_range(struct vm_are
struct vm_fault vmf = {
.vma = vma,
.address = addr,
+ .real_address = addr,
.pmd = pmd,
};
_
Patches currently in -mm which might be from namit@vmware.com are
userfaultfd-provide-unmasked-address-on-page-fault.patch
userfaultfd-mark-uffd_wp-regardless-of-vm_write-flag.patch
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2022-03-22 19:14 [folded-merged] userfaultfd-provide-unmasked-address-on-page-fault-v3.patch removed from -mm tree Andrew Morton
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