diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.9.21/0072-x86-retpoline-xen-Convert-Xen-hypercall-indirect-jum.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.9.21/0072-x86-retpoline-xen-Convert-Xen-hypercall-indirect-jum.patch | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.9.21/0072-x86-retpoline-xen-Convert-Xen-hypercall-indirect-jum.patch b/common/recipes-kernel/linux/linux-yocto-4.9.21/0072-x86-retpoline-xen-Convert-Xen-hypercall-indirect-jum.patch deleted file mode 100644 index a800dc71..00000000 --- a/common/recipes-kernel/linux/linux-yocto-4.9.21/0072-x86-retpoline-xen-Convert-Xen-hypercall-indirect-jum.patch +++ /dev/null @@ -1,64 +0,0 @@ -From 88c3cee0956e7967097e40de0be79898d9faa7fe Mon Sep 17 00:00:00 2001 -From: David Woodhouse <dwmw@amazon.co.uk> -Date: Thu, 11 Jan 2018 21:46:31 +0000 -Subject: [PATCH 072/103] x86/retpoline/xen: Convert Xen hypercall indirect - jumps - -commit ea08816d5b185ab3d09e95e393f265af54560350 upstream. - -Convert indirect call in Xen hypercall to use non-speculative sequence, -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> -Reviewed-by: Juergen Gross <jgross@suse.com> -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/1515707194-20531-10-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/include/asm/xen/hypercall.h | 5 +++-- - 1 file changed, 3 insertions(+), 2 deletions(-) - -diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h -index a12a047..8b1f91f 100644 ---- a/arch/x86/include/asm/xen/hypercall.h -+++ b/arch/x86/include/asm/xen/hypercall.h -@@ -43,6 +43,7 @@ - - #include <asm/page.h> - #include <asm/pgtable.h> -+#include <asm/nospec-branch.h> - - #include <xen/interface/xen.h> - #include <xen/interface/sched.h> -@@ -214,9 +215,9 @@ privcmd_call(unsigned call, - __HYPERCALL_DECLS; - __HYPERCALL_5ARG(a1, a2, a3, a4, a5); - -- asm volatile("call *%[call]" -+ asm volatile(CALL_NOSPEC - : __HYPERCALL_5PARAM -- : [call] "a" (&hypercall_page[call]) -+ : [thunk_target] "a" (&hypercall_page[call]) - : __HYPERCALL_CLOBBER5); - - return (long)__res; --- -2.7.4 - |