diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.9.21/0073-x86-retpoline-checksum32-Convert-assembler-indirect-.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.9.21/0073-x86-retpoline-checksum32-Convert-assembler-indirect-.patch | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.9.21/0073-x86-retpoline-checksum32-Convert-assembler-indirect-.patch b/common/recipes-kernel/linux/linux-yocto-4.9.21/0073-x86-retpoline-checksum32-Convert-assembler-indirect-.patch deleted file mode 100644 index 6c76a686..00000000 --- a/common/recipes-kernel/linux/linux-yocto-4.9.21/0073-x86-retpoline-checksum32-Convert-assembler-indirect-.patch +++ /dev/null @@ -1,70 +0,0 @@ -From bb4bbea7e37e7dd35989dcfb07b760324ec0ef15 Mon Sep 17 00:00:00 2001 -From: David Woodhouse <dwmw@amazon.co.uk> -Date: Thu, 11 Jan 2018 21:46:32 +0000 -Subject: [PATCH 073/103] x86/retpoline/checksum32: Convert assembler indirect - jumps - -commit 5096732f6f695001fa2d6f1335a2680b37912c69 upstream. - -Convert all indirect jumps in 32bit checksum assembler code to use -non-speculative sequences when CONFIG_RETPOLINE is enabled. - -Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> -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: Andi Kleen <ak@linux.intel.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/1515707194-20531-11-git-send-email-dwmw@amazon.co.uk -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - arch/x86/lib/checksum_32.S | 7 ++++--- - 1 file changed, 4 insertions(+), 3 deletions(-) - -diff --git a/arch/x86/lib/checksum_32.S b/arch/x86/lib/checksum_32.S -index 4d34bb5..46e71a7 100644 ---- a/arch/x86/lib/checksum_32.S -+++ b/arch/x86/lib/checksum_32.S -@@ -29,7 +29,8 @@ - #include <asm/errno.h> - #include <asm/asm.h> - #include <asm/export.h> -- -+#include <asm/nospec-branch.h> -+ - /* - * computes a partial checksum, e.g. for TCP/UDP fragments - */ -@@ -156,7 +157,7 @@ ENTRY(csum_partial) - negl %ebx - lea 45f(%ebx,%ebx,2), %ebx - testl %esi, %esi -- jmp *%ebx -+ JMP_NOSPEC %ebx - - # Handle 2-byte-aligned regions - 20: addw (%esi), %ax -@@ -439,7 +440,7 @@ ENTRY(csum_partial_copy_generic) - andl $-32,%edx - lea 3f(%ebx,%ebx), %ebx - testl %esi, %esi -- jmp *%ebx -+ JMP_NOSPEC %ebx - 1: addl $64,%esi - addl $64,%edi - SRC(movb -32(%edx),%bl) ; SRC(movb (%edx),%bl) --- -2.7.4 - |