On Mon, Mar 09, 2015 at 09:35:45PM +0100, Mateusz Guzik wrote: > Sometimes faccessat needs to modify current thread's credentials, but > calls prepare_creds unconditionally. > > However, typically resulting credentials are identical to original ones > and in that case newcredentials are unnecessary. We can detect this before > allocating anything. > > This patch series adds a helper which allows comparing capability sets and > modifies faccessat to use it. > > Mateusz Guzik (2): > CAPABILITIES: add cap_isequal helper > fs: avoid unnecessary prepare_creds in faccessat >
Can I get some (N)ACKs on this one? Thanks, -- Mateusz Guzik -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
