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. */
