5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> [ Upstream commit 82694854caa8badab7c5d3a19c0139e8b471b1d3 ] This indirect jump is harmless; annotate it to keep objtool's retpoline validation happy. Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx> Cc: Juergen Gross <jgross@xxxxxxxx> Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> Reviewed-by: Juergen Gross <jgross@xxxxxxxx> Link: https://lore.kernel.org/r/4797c72a258b26e06741c58ccd4a75c42db39c1d.1611263462.git.jpoimboe@xxxxxxxxxx Stable-dep-of: e8fbc0d9cab6 ("x86/pvh: Call C code via the kernel virtual mapping") Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- arch/x86/platform/pvh/head.S | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/platform/pvh/head.S b/arch/x86/platform/pvh/head.S index afbf0bb252da5..b0490701da2ab 100644 --- a/arch/x86/platform/pvh/head.S +++ b/arch/x86/platform/pvh/head.S @@ -16,6 +16,7 @@ #include <asm/boot.h> #include <asm/processor-flags.h> #include <asm/msr.h> +#include <asm/nospec-branch.h> #include <xen/interface/elfnote.h> __HEAD @@ -103,6 +104,7 @@ SYM_CODE_START_LOCAL(pvh_start_xen) /* startup_64 expects boot_params in %rsi. */ mov $_pa(pvh_bootparams), %rsi mov $_pa(startup_64), %rax + ANNOTATE_RETPOLINE_SAFE jmp *%rax #else /* CONFIG_X86_64 */ -- 2.43.0
