On 01/04/18 18:00, David Woodhouse wrote:
>
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index d4fc98c..1009d1a 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -429,6 +429,19 @@ config GOLDFISH
> def_bool y
> depends on X86_GOLDFISH
>
> +config RETPOLINE
>
On 01/04/18 18:00, David Woodhouse wrote:
>
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index d4fc98c..1009d1a 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -429,6 +429,19 @@ config GOLDFISH
> def_bool y
> depends on X86_GOLDFISH
>
> +config RETPOLINE
>
Enable the use of -mindirect-branch=thunk-extern in newer GCC, and provide
the corresponding thunks. Provide assembler macros for invoking the thunks
in the same way that GCC does, from native and inline assembler.
This adds an X86_BUG_NO_RETPOLINE "feature" for runtime patching out
of the
Enable the use of -mindirect-branch=thunk-extern in newer GCC, and provide
the corresponding thunks. Provide assembler macros for invoking the thunks
in the same way that GCC does, from native and inline assembler.
This adds an X86_BUG_NO_RETPOLINE "feature" for runtime patching out
of the
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