Messages in this thread | | | From | Denis Vlasenko <> | Subject | Re: [-mm patch] i386: enable REGPARM by default | Date | Sat, 25 Jun 2005 10:46:22 +0300 |
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On Friday 24 June 2005 23:09, Adrian Bunk wrote: > This patch should _not_ go into Linus' tree. > > At some time in the future, we want to unconditionally enable REGPARM on > i386. > > Let's give it a bit broader testing coverage among -mm users. > > This patch: > - removes the dependency of REGPARM on EXPERIMENTAL > - let REGPARM default to y > > This patch assumes that people who use -mm are willing to test some more > experimental features. > > After this patch, REGPARM is still a config option users can disable. > > Signed-off-by: Adrian Bunk <bunk@stusta.de>
Jens Axboe had hit an obscure bug with regparm just yesterday. It happened for him with gcc 3.3.5.
I have a preprocessed .c file which allows to reporduce this. For me, gcc 3.3.6 is okay. need to build 3.3.5 and test.
Meanwhile, maybe we shall prohibit regparm if gcc <=3.3.6 or 3.4? -- vda
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