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Re: [PATCH] x86/retpoline/entry: Disable the entire SYSCALL64 fast ...

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Linus Torvalds writes: (Summary) On Fri, Jan 26, 2018 at 10:23 AM, Andy Lutomirski <luto@kernel.org> Because the case that _matters_ is that SyS_foo(), thing when this is enabled.
when this is enabled.
Sure, you'll get two copies of the code (one in SyS_foo(), the other being the callable-from C 'sys_foo()' that is exported and almost never used). We could leave it for later to try to get rid of the unused copies entirely. Linus
Linus
Linus

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