Messages in this thread | | | Date | Sun, 16 Jun 2019 10:39:28 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: [PATCH v7 18/18] x86/fsgsbase/64: Add documentation for FSGSBASE |
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On Sun, 16 Jun 2019, Bae, Chang Seok wrote: > On Jun 14, 2019, at 13:07, Bae, Chang Seok <chang.seok.bae@intel.com<mailto:chang.seok.bae@intel.com>> wrote: > > > On Jun 13, 2019, at 23:54, Thomas Gleixner <tglx@linutronix.de<mailto:tglx@linutronix.de>> wrote: > > +The GS segment has no common use and can be used freely by > +applications. There is no storage class specifier similar to __thread which > +would cause the compiler to use GS based addressing modes. Newer versions > +of GCC and Clang support GS based addressing via address space identifiers. > + > > … > > + > +Clang does not provide these address space identifiers, but it provides > +an attribute based mechanism: > + > > These two sentences seem to conflict with each other; Clang needs to be clarified > above. > > Thanks for the write-up. Just preparing v8 right now. Will send out shortly.
Please dont. Send me a delta patch against the documentation. I have queued all the other patches already internally. I did not push it out because I wanted to have proper docs.
Thanks,
tglx | |