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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.9.21/0008-kaiser-fix-build-and-FIXME-in-alloc_ldt_struct.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.9.21/0008-kaiser-fix-build-and-FIXME-in-alloc_ldt_struct.patch55
1 files changed, 55 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.9.21/0008-kaiser-fix-build-and-FIXME-in-alloc_ldt_struct.patch b/common/recipes-kernel/linux/linux-yocto-4.9.21/0008-kaiser-fix-build-and-FIXME-in-alloc_ldt_struct.patch
new file mode 100644
index 00000000..6daaa525
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.9.21/0008-kaiser-fix-build-and-FIXME-in-alloc_ldt_struct.patch
@@ -0,0 +1,55 @@
+From fa16ed9c57a88f92dea098848d07f5ffd224a14d Mon Sep 17 00:00:00 2001
+From: Hugh Dickins <hughd@google.com>
+Date: Sun, 3 Sep 2017 17:09:44 -0700
+Subject: [PATCH 008/102] kaiser: fix build and FIXME in alloc_ldt_struct()
+
+Include linux/kaiser.h instead of asm/kaiser.h to build ldt.c without
+CONFIG_KAISER. kaiser_add_mapping() does already return an error code,
+so fix the FIXME.
+
+Signed-off-by: Hugh Dickins <hughd@google.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ arch/x86/kernel/ldt.c | 10 ++++------
+ 1 file changed, 4 insertions(+), 6 deletions(-)
+
+diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
+index 3c2d55b..8331bad 100644
+--- a/arch/x86/kernel/ldt.c
++++ b/arch/x86/kernel/ldt.c
+@@ -15,9 +15,9 @@
+ #include <linux/slab.h>
+ #include <linux/vmalloc.h>
+ #include <linux/uaccess.h>
++#include <linux/kaiser.h>
+
+ #include <asm/ldt.h>
+-#include <asm/kaiser.h>
+ #include <asm/desc.h>
+ #include <asm/mmu_context.h>
+ #include <asm/syscalls.h>
+@@ -48,7 +48,7 @@ static struct ldt_struct *alloc_ldt_struct(int size)
+ {
+ struct ldt_struct *new_ldt;
+ int alloc_size;
+- int ret = 0;
++ int ret;
+
+ if (size > LDT_ENTRIES)
+ return NULL;
+@@ -76,10 +76,8 @@ static struct ldt_struct *alloc_ldt_struct(int size)
+ return NULL;
+ }
+
+- // FIXME: make kaiser_add_mapping() return an error code
+- // when it fails
+- kaiser_add_mapping((unsigned long)new_ldt->entries, alloc_size,
+- __PAGE_KERNEL);
++ ret = kaiser_add_mapping((unsigned long)new_ldt->entries, alloc_size,
++ __PAGE_KERNEL);
+ if (ret) {
+ __free_ldt_struct(new_ldt);
+ return NULL;
+--
+2.7.4
+