On Thu, 2018-01-04 at 16:10 +0100, Juergen Gross wrote: > On 04/01/18 15:37, David Woodhouse wrote: > > > > Convert indirect call in Xen hypercall to use non-speculative sequence, > > when CONFIG_RETPOLINE is enabled. > > > > Signed-off-by: David Woodhouse <d...@amazon.co.uk> > > --- > > 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 7cb282e9e587..393c0048c63e 100644 > > --- a/arch/x86/include/asm/xen/hypercall.h > > +++ b/arch/x86/include/asm/xen/hypercall.h > > @@ -44,6 +44,7 @@ > > #include <asm/page.h> > > #include <asm/pgtable.h> > > #include <asm/smap.h> > > +#include <asm/nospec-branch.h>
> Where does this file come from? It isn't added in any of the patches Dammit, sorry. Fixed now: http://git.infradead.org/users/dwmw2/linux-retpoline.git/commitdiff/be7e80781
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