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Date: Wed, 22 Aug 2007 23:38:00 +0200 From: Adrian Bunk <bunk@...nel.org> To: Valdis.Kletnieks@...edu Cc: paulmck@...ux.vnet.ibm.com, Segher Boessenkool <segher@...nel.crashing.org>, Paul Mackerras <paulus@...ba.org>, Russell King <rmk+lkml@....linux.org.uk>, Christoph Lameter <clameter@....com>, heiko.carstens@...ibm.com, horms@...ge.net.au, linux-kernel@...r.kernel.org, ak@...e.de, netdev@...r.kernel.org, cfriesen@...tel.com, akpm@...ux-foundation.org, rpjday@...dspring.com, Nick Piggin <nickpiggin@...oo.com.au>, linux-arch@...r.kernel.org, jesper.juhl@...il.com, satyam@...radead.org, zlynx@....org, schwidefsky@...ibm.com, Chris Snook <csnook@...hat.com>, Herbert Xu <herbert@...dor.apana.org.au>, davem@...emloft.net, Linus Torvalds <torvalds@...ux-foundation.org>, wensong@...ux-vs.org, wjiang@...ilience.com Subject: Re: [PATCH 0/24] make atomic_read() behave consistently across all architectures On Tue, Aug 21, 2007 at 06:51:16PM -0400, Valdis.Kletnieks@...edu wrote: > On Tue, 21 Aug 2007 09:16:43 PDT, "Paul E. McKenney" said: > > > I agree that instant gratification is hard to come by when synching > > up compiler and kernel versions. Nonetheless, it should be possible > > to create APIs that are are conditioned on the compiler version. > > We've tried that, sort of. See the mess surrounding the whole > extern/static/inline/__whatever boondogle, which seems to have > changed semantics in every single gcc release since 2.95 or so. >... There is exactly one semantics change in gcc in this area, and that is the change of the "extern inline" semantics in gcc 4.3 to the C99 semantics. cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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