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bf00745e77
CONFIG_LEGACY_VSYSCALL_EMULATE is, as far as I know, only needed for the combined use of exotic and outdated debugging mechanisms with outdated binaries. At this point, no one should be using it. Eventually, dynamic switching of vsyscalls will be implemented, but this is much more complicated to support in EMULATE mode than XONLY mode. So let's force all the distros off of EMULATE mode. If anyone actually needs it, they can set vsyscall=emulate, and the kernel can then get away with refusing to support newer security models if that option is set. [ bp: Remove "we"s. ] Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Kees Cook <keescook@chromium.org> Acked-by: Florian Weimer <fweimer@redhat.com> Link: https://lore.kernel.org/r/898932fe61db6a9d61bc2458fa2f6049f1ca9f5c.1652290558.git.luto@kernel.org |
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