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On Fri, Nov 25, 2016 at 04:21:39PM +0100, Dmitry Vyukov wrote: > > READ/WRITE_ONCE imply atomicity. Even if their names don't spell it (a > function name doesn't have to spell all of its guarantees). Most of > the uses of READ/WRITE_ONCE will be broken if they are not atomic. In practice, this is certainly the assumption made by many/most users of the *_ONCE() accessors.

...READ_ONCE(policy_dbs->last_sample_time); ^ drivers/cpufreq/cpufreq_governor.c:301:7: error: call to ?__compiletime_assert_301? declared with attribute error: Need native word sized stores/loads for atomicity. if (unlikely(lst != READ_ONCE(policy_dbs->last_sample_time))) { net/core/gen_estimator.c:136:3: error: call to ?__compiletime_assert_136? declared with attribute error: Need native word sized stores/loads for atomicity. WRITE_ONCE(e->rate_est->bps, (e->avbps + 0xF) >> 5); ^ net/core/gen_estimator.c:142:3: error: call to ?__compiletime_assert_142? declared wit...

...READ_ONCE(policy_dbs->last_sample_time); ^ drivers/cpufreq/cpufreq_governor.c:301:7: error: call to ?__compiletime_assert_301? declared with attribute error: Need native word sized stores/loads for atomicity. if (unlikely(lst != READ_ONCE(policy_dbs->last_sample_time))) { net/core/gen_estimator.c:136:3: error: call to ?__compiletime_assert_136? declared with attribute error: Need native word sized stores/loads for atomicity. WRITE_ONCE(e->rate_est->bps, (e->avbps + 0xF) >> 5); ^ net/core/gen_estimator.c:142:3: error: call to ?__compiletime_assert_142? declared wit...

Hi All, I followed the instructions here at http://bderzhavets.wordpress.com/2009/06/10/setup-fedora-11-pv-domu-at-xen-3-4-1-dom0-kernel-2-6-30-rc6-tip-on-top-of-fedora-11/ However, when I do a "make menuconfig", I cannot see any XEN related configuration options. What am I missing? Thank you. Mr. Teo En Ming Dip(Mechatronics Engineering) BEng(Hons)(Mechanical Engineering)