diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.9.21/0017-kaiser-name-that-0x1000-KAISER_SHADOW_PGD_OFFSET.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.9.21/0017-kaiser-name-that-0x1000-KAISER_SHADOW_PGD_OFFSET.patch | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.9.21/0017-kaiser-name-that-0x1000-KAISER_SHADOW_PGD_OFFSET.patch b/common/recipes-kernel/linux/linux-yocto-4.9.21/0017-kaiser-name-that-0x1000-KAISER_SHADOW_PGD_OFFSET.patch deleted file mode 100644 index f43ed637..00000000 --- a/common/recipes-kernel/linux/linux-yocto-4.9.21/0017-kaiser-name-that-0x1000-KAISER_SHADOW_PGD_OFFSET.patch +++ /dev/null @@ -1,70 +0,0 @@ -From ed14e28d25f96ab356ced2a7e9af56fac6483f4d Mon Sep 17 00:00:00 2001 -From: Hugh Dickins <hughd@google.com> -Date: Sat, 9 Sep 2017 17:31:18 -0700 -Subject: [PATCH 017/103] kaiser: name that 0x1000 KAISER_SHADOW_PGD_OFFSET - -There's a 0x1000 in various places, which looks better with a name. - -Signed-off-by: Hugh Dickins <hughd@google.com> -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - arch/x86/entry/entry_64.S | 4 ++-- - arch/x86/include/asm/kaiser.h | 7 +++++-- - 2 files changed, 7 insertions(+), 4 deletions(-) - -diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S -index 57f7993..3c8fc97 100644 ---- a/arch/x86/entry/entry_64.S -+++ b/arch/x86/entry/entry_64.S -@@ -1316,7 +1316,7 @@ ENTRY(nmi) - movq %cr3, %rax - pushq %rax - #ifdef CONFIG_KAISER_REAL_SWITCH -- andq $(~0x1000), %rax -+ andq $(~KAISER_SHADOW_PGD_OFFSET), %rax - #endif - movq %rax, %cr3 - #endif -@@ -1559,7 +1559,7 @@ end_repeat_nmi: - movq %cr3, %rax - pushq %rax - #ifdef CONFIG_KAISER_REAL_SWITCH -- andq $(~0x1000), %rax -+ andq $(~KAISER_SHADOW_PGD_OFFSET), %rax - #endif - movq %rax, %cr3 - #endif -diff --git a/arch/x86/include/asm/kaiser.h b/arch/x86/include/asm/kaiser.h -index 7394ba9..051acf6 100644 ---- a/arch/x86/include/asm/kaiser.h -+++ b/arch/x86/include/asm/kaiser.h -@@ -13,13 +13,16 @@ - * A minimalistic kernel mapping holds the parts needed to be mapped in user - * mode, such as the entry/exit functions of the user space, or the stacks. - */ -+ -+#define KAISER_SHADOW_PGD_OFFSET 0x1000 -+ - #ifdef __ASSEMBLY__ - #ifdef CONFIG_KAISER - - .macro _SWITCH_TO_KERNEL_CR3 reg - movq %cr3, \reg - #ifdef CONFIG_KAISER_REAL_SWITCH --andq $(~0x1000), \reg -+andq $(~KAISER_SHADOW_PGD_OFFSET), \reg - #endif - movq \reg, %cr3 - .endm -@@ -27,7 +30,7 @@ movq \reg, %cr3 - .macro _SWITCH_TO_USER_CR3 reg - movq %cr3, \reg - #ifdef CONFIG_KAISER_REAL_SWITCH --orq $(0x1000), \reg -+orq $(KAISER_SHADOW_PGD_OFFSET), \reg - #endif - movq \reg, %cr3 - .endm --- -2.7.4 - |