diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.9.21/0090-x86-xen-Add-unwind-hint-annotations-to-xen_setup_gdt.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.9.21/0090-x86-xen-Add-unwind-hint-annotations-to-xen_setup_gdt.patch | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.9.21/0090-x86-xen-Add-unwind-hint-annotations-to-xen_setup_gdt.patch b/common/recipes-kernel/linux/linux-yocto-4.9.21/0090-x86-xen-Add-unwind-hint-annotations-to-xen_setup_gdt.patch deleted file mode 100644 index 3fdd5b1b..00000000 --- a/common/recipes-kernel/linux/linux-yocto-4.9.21/0090-x86-xen-Add-unwind-hint-annotations-to-xen_setup_gdt.patch +++ /dev/null @@ -1,47 +0,0 @@ -From 666ab0b0ab5ec0645aca319b17218c976d98b950 Mon Sep 17 00:00:00 2001 -From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -Date: Sun, 3 Jun 2018 13:37:03 +0200 -Subject: [PATCH 90/93] x86/xen: Add unwind hint annotations to xen_setup_gdt - -Not needed in mainline as this function got rewritten in 4.12 - -This enables objtool to grok the iret in the middle of a C function. - -This matches commit 76846bf3cb09 ("x86/asm: Add unwind hint annotations -to sync_core()") - -Cc: Josh Poimboeuf <jpoimboe@redhat.com> -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - arch/x86/xen/enlighten.c | 5 ++++- - 1 file changed, 4 insertions(+), 1 deletion(-) - -diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c -index 8b97c87..af79764 100644 ---- a/arch/x86/xen/enlighten.c -+++ b/arch/x86/xen/enlighten.c -@@ -75,6 +75,7 @@ - #include <asm/mwait.h> - #include <asm/pci_x86.h> - #include <asm/cpu.h> -+#include <asm/unwind_hints.h> - - #ifdef CONFIG_ACPI - #include <linux/acpi.h> -@@ -1450,10 +1451,12 @@ static void __ref xen_setup_gdt(int cpu) - * GDT. The new GDT has __KERNEL_CS with CS.L = 1 - * and we are jumping to reload it. - */ -- asm volatile ("pushq %0\n" -+ asm volatile (UNWIND_HINT_SAVE -+ "pushq %0\n" - "leaq 1f(%%rip),%0\n" - "pushq %0\n" - "lretq\n" -+ UNWIND_HINT_RESTORE - "1:\n" - : "=&r" (dummy) : "0" (__KERNEL_CS)); - --- -2.7.4 - |