On Thu, Feb 04, 2021 at 04:28:38PM +0000, Michael Kelley wrote: > From: Wei Liu <wei.liu@xxxxxxxxxx> Sent: Monday, February 1, 2021 10:55 AM > > > > On Wed, Jan 27, 2021 at 12:23:43PM -0800, Michael Kelley wrote: > > [...] > > > +/* > > > + * Reference to pv_ops must be inline so objtool > > > + * detection of noinstr violations can work correctly. > > > + */ > > > +static __always_inline void hv_setup_sched_clock(void *sched_clock) > > > > sched_clock_register is not trivial. Having __always_inline here is > > going to make the compiled object bloated. > > > > Given this is a static function, I don't think we need to specify any > > inline keyword. The compiler should be able to determine whether this > > function should be inlined all by itself. > > > > Wei. > > There was an explicit request from Peter Zijlstra and Thomas Gleixner > to force it inline. See https://lore.kernel.org/patchwork/patch/1283635/ and > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/arch/x86/include/asm/mshyperv.h?id=b9d8cf2eb3ceecdee3434b87763492aee9e28845 Oh. noinstr. I failed to notice the comment. Sorry for the noise. Wei.