Messages in this thread | | | Date | Tue, 22 Sep 2020 12:37:02 -0700 | From | Kees Cook <> | Subject | Re: [PATCH v6 7/9] x86: Enable Syscall User Dispatch |
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On Fri, Sep 04, 2020 at 04:31:45PM -0400, Gabriel Krisman Bertazi wrote: > Syscall User Dispatch requirements are fully supported in x86. This > patch flips the switch, marking it as supported. This was tested > against Syscall User Dispatch selftest. > > Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com> > --- > arch/x86/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > index 7101ac64bb20..56ac8de99021 100644 > --- a/arch/x86/Kconfig > +++ b/arch/x86/Kconfig > @@ -150,6 +150,7 @@ config X86 > select HAVE_ARCH_COMPAT_MMAP_BASES if MMU && COMPAT > select HAVE_ARCH_PREL32_RELOCATIONS > select HAVE_ARCH_SECCOMP_FILTER > + select HAVE_ARCH_SYSCALL_USER_DISPATCH
Is this needed at all? I think simply "the architecture uses the generic entry code" is sufficient to enable it. (Especially since there's a top level config for SYSCALL_USER_DISPATCH, it feels like overkill).
-- Kees Cook
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