1 files changed, 0 insertions, 77 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.9.21/0074-x86-retpoline-irq32-Convert-assembler-indirect-jumps.patch b/common/recipes-kernel/linux/linux-yocto-4.9.21/0074-x86-retpoline-irq32-Convert-assembler-indirect-jumps.patch
deleted file mode 100644
index c51d04bc..00000000
--- a/common/recipes-kernel/linux/linux-yocto-4.9.21/0074-x86-retpoline-irq32-Convert-assembler-indirect-jumps.patch
+++ /dev/null
@@ -1,77 +0,0 @@
-From 2b525f0d85795152c41980384a7190c8c16d80d9 Mon Sep 17 00:00:00 2001
-From: Andi Kleen <ak@linux.intel.com>
-Date: Thu, 11 Jan 2018 21:46:33 +0000
-Subject: [PATCH 074/103] x86/retpoline/irq32: Convert assembler indirect jumps
-
-commit 7614e913db1f40fff819b36216484dc3808995d4 upstream.
-
-Convert all indirect jumps in 32bit irq inline asm code to use non
-speculative sequences.
-
-Signed-off-by: Andi Kleen <ak@linux.intel.com>
-Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-Acked-by: Arjan van de Ven <arjan@linux.intel.com>
-Acked-by: Ingo Molnar <mingo@kernel.org>
-Cc: gnomes@lxorguk.ukuu.org.uk
-Cc: Rik van Riel <riel@redhat.com>
-Cc: Josh Poimboeuf <jpoimboe@redhat.com>
-Cc: thomas.lendacky@amd.com
-Cc: Peter Zijlstra <peterz@infradead.org>
-Cc: Linus Torvalds <torvalds@linux-foundation.org>
-Cc: Jiri Kosina <jikos@kernel.org>
-Cc: Andy Lutomirski <luto@amacapital.net>
-Cc: Dave Hansen <dave.hansen@intel.com>
-Cc: Kees Cook <keescook@google.com>
-Cc: Tim Chen <tim.c.chen@linux.intel.com>
-Cc: Greg Kroah-Hartman <gregkh@linux-foundation.org>
-Cc: Paul Turner <pjt@google.com>
-Link: https://lkml.kernel.org/r/1515707194-20531-12-git-send-email-dwmw@amazon.co.uk
-Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
----
- arch/x86/kernel/irq_32.c | 9 +++++----
- 1 file changed, 5 insertions(+), 4 deletions(-)
-
-diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c
-index d4eb450..2763573 100644
---- a/arch/x86/kernel/irq_32.c
-+++ b/arch/x86/kernel/irq_32.c
-@@ -19,6 +19,7 @@
- #include <linux/mm.h>
- 
- #include <asm/apic.h>
-+#include <asm/nospec-branch.h>
- 
- #ifdef CONFIG_DEBUG_STACKOVERFLOW
- 
-@@ -54,11 +55,11 @@ DEFINE_PER_CPU(struct irq_stack *, softirq_stack);
- static void call_on_stack(void *func, void *stack)
- {
- 	asm volatile("xchgl	%%ebx,%%esp	\n"
--		     "call	*%%edi		\n"
-+		     CALL_NOSPEC
- 		     "movl	%%ebx,%%esp	\n"
- 		     : "=b" (stack)
- 		     : "0" (stack),
--		       "D"(func)
-+		       [thunk_target] "D"(func)
- 		     : "memory", "cc", "edx", "ecx", "eax");
- }
- 
-@@ -94,11 +95,11 @@ static inline int execute_on_irq_stack(int overflow, struct irq_desc *desc)
- 		call_on_stack(print_stack_overflow, isp);
- 
- 	asm volatile("xchgl	%%ebx,%%esp	\n"
--		     "call	*%%edi		\n"
-+		     CALL_NOSPEC
- 		     "movl	%%ebx,%%esp	\n"
- 		     : "=a" (arg1), "=b" (isp)
- 		     :  "0" (desc),   "1" (isp),
--			"D" (desc->handle_irq)
-+			[thunk_target] "D" (desc->handle_irq)
- 		     : "memory", "cc", "ecx");
- 	return 1;
- }
--- 
-2.7.4
-