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2013-06-12cpus: let it always return an unsigned int and bail out on errorDaniel Borkmann1-4/+16
2013-06-04cpus: break out cpu related functions from xutilsDaniel Borkmann1-0/+16
> commite6971009a95a74f28c58bbae415c40effad1226c (patch) tree3a58fac62cffea1cc0b535482f016b56cd609884 parent46738ab31fe668ea1d4413dd459af2632f6fef8d (diff)
x86/uaccess: force copy_*_user() to be inlined
As already done with __copy_*_user(), mark copy_*_user() as __always_inline. Without this, the checks for things like __builtin_const_p() won't work consistently in either hardened usercopy nor the recent adjustments for detecting usercopy overflows at compile time. The change in kernel text size is detectable, but very small: text data bss dec hex filename 12118735 5768608 14229504 32116847 1ea106f vmlinux.before 12120207 5768608 14229504 32118319 1ea162f vmlinux.after Signed-off-by: Kees Cook <keescook@chromium.org>
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