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Date: Mon, 14 Jul 2008 14:25:03 -0700 From: Daniel Guilak <guilak@...ux.vnet.ibm.com> To: Randy Dunlap <randy.dunlap@...cle.com> Cc: linux-kernel@...r.kernel.org, trivial@...nel.org, akpm@...ux-foundation.org, torvalds@...ux-foundation.org, daniel@...ielguilak.com Subject: Re: [PATCH] init/version.c: Define version_string only if CONFIG_KALLSYMS is not defined. On Mon, 2008-07-14 at 14:20 -0700, Daniel Guilak wrote: > On Mon, 2008-07-14 at 12:38 -0700, Randy Dunlap wrote: > > On Mon, 14 Jul 2008 12:04:46 -0700 Daniel Guilak wrote: > > > > > int Version_* is only used with ksymoops, which is only needed (according to > > > README and Documentation/Changes) if CONFIG_KALLSYMS is NOT defined. Therefore > > > this patch defines version_string only if CONFIG_KALLSYMS is not defined. > > > > > > Signed-off-by: Daniel Guilak <daniel@...ielguilak.com> > > > --- > > > init/version.c | 2 ++ > > > 1 files changed, 2 insertions(+), 0 deletions(-) > > > > > > Depends on "[PATCH] init/version.c: Silenced sparse warning by declaring the version string." > > > > > > diff --git a/init/version.c b/init/version.c > > > index 041fd82..52a8b98 100644 > > > --- a/init/version.c > > > +++ b/init/version.c > > > @@ -13,11 +13,13 @@ > > > #include <linux/utsrelease.h> > > > #include <linux/version.h> > > > > > > +#ifndef CONFIG_KALLSYMS > > > #define version(a) Version_ ## a > > > #define version_string(a) version(a) > > > > > > extern int version_string(LINUX_VERSION_CODE); > > > int version_string(LINUX_VERSION_CODE); > > > +#endif > > > > > > struct uts_namespace init_uts_ns = { > > > .kref = { > > > -- > > > > Does not apply cleanly to linux-2.6.26, linux-next-20080714, or Linus-git-head. > > > > Did you apply "[PATCH] init/version.c: Silenced sparse warning by > declaring the version string." beforehand? I just applied it on the most > recent tree and I didn't have any issues. > > > and why do we ned both extern int version_string() > > and int version_string() ? > Because sparse was complaining that it wasn't prototyped or static. > There isn't a header file to put it in since it only exists to be a > kernel. "Symbol", not "kernel", sorry. > > --- > > ~Randy > > Linux Plumbers Conference, 17-19 September 2008, Portland, Oregon USA > > http://linuxplumbersconf.org/ > > --Daniel -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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