On Wed, 2019-07-31 at 12:52 -0500, Gustavo A. R. Silva wrote: > This is insufficient. The speculation windows are large: > > "Speculative execution on modern CPUs can run several > hundred instructions ahead." [1] > > [1] https://spectreattack.com/spectre.pdf Thanks, I'll take a look at that. That issue aside, returning without wasting time on two mutexes is still better IMO, so I like my patch more than the proposed one. Tony, would you like to resubmit? -- Doug Ledford <dledford@xxxxxxxxxx> GPG KeyID: B826A3330E572FDD Fingerprint = AE6B 1BDA 122B 23B4 265B 1274 B826 A333 0E57 2FDD
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