[gentoo-commits] proj/linux-patches:4.9 commit in: /

[Mike Pagano]

commit:     d80fe0031adcc6e6f8a864e56d0be536781d5b0d
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Sat Aug 18 18:07:25 2018 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Sat Aug 18 18:07:25 2018 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=d80fe003

Linux patch 4.9.122

 0000_README              |  4 ++++
 1121_linux-4.9.122.patch | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+)

diff --git a/0000_README b/0000_README
index f11157c..5570ac1 100644
--- a/0000_README
+++ b/0000_README
@@ -527,6 +527,10 @@ Patch:  1120_linux-4.9.121.patch
 From:   http://www.kernel.org
 Desc:   Linux 4.9.121
 
+Patch:  1121_linux-4.9.122.patch
+From:   http://www.kernel.org
+Desc:   Linux 4.9.122
+
 Patch:  1500_XATTR_USER_PREFIX.patch
 From:   https://bugs.gentoo.org/show_bug.cgi?id=470644
 Desc:   Support for namespace user.pax.* on tmpfs.

diff --git a/1121_linux-4.9.122.patch b/1121_linux-4.9.122.patch
new file mode 100644
index 0000000..9d82844
--- /dev/null
+++ b/1121_linux-4.9.122.patch
@@ -0,0 +1,36 @@
+diff --git a/Makefile b/Makefile
+index e54a126841a9..1f44343a1e04 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 9
+-SUBLEVEL = 121
++SUBLEVEL = 122
+ EXTRAVERSION =
+ NAME = Roaring Lionus
+ 
+diff --git a/arch/x86/include/asm/pgtable-invert.h b/arch/x86/include/asm/pgtable-invert.h
+index 44b1203ece12..a0c1525f1b6f 100644
+--- a/arch/x86/include/asm/pgtable-invert.h
++++ b/arch/x86/include/asm/pgtable-invert.h
+@@ -4,9 +4,18 @@
+ 
+ #ifndef __ASSEMBLY__
+ 
++/*
++ * A clear pte value is special, and doesn't get inverted.
++ *
++ * Note that even users that only pass a pgprot_t (rather
++ * than a full pte) won't trigger the special zero case,
++ * because even PAGE_NONE has _PAGE_PROTNONE | _PAGE_ACCESSED
++ * set. So the all zero case really is limited to just the
++ * cleared page table entry case.
++ */
+ static inline bool __pte_needs_invert(u64 val)
+ {
+-	return !(val & _PAGE_PRESENT);
++	return val && !(val & _PAGE_PRESENT);
+ }
+ 
+ /* Get a mask to xor with the page table entry to get the correct pfn. */