From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx153.postini.com [74.125.245.153]) by kanga.kvack.org (Postfix) with SMTP id A1A596B0072 for ; Fri, 31 Aug 2012 04:34:28 -0400 (EDT) Message-ID: <5040775C.3070205@intel.com> Date: Fri, 31 Aug 2012 11:35:40 +0300 From: Adrian Hunter MIME-Version: 1.0 Subject: Re: [PATCH v2 07/12] rbtree: adjust root color in rb_insert_color() only when necessary References: <1342139517-3451-1-git-send-email-walken@google.com> <1342139517-3451-8-git-send-email-walken@google.com> <50406F60.5040707@intel.com> <20120831011541.ddf8ed78.akpm@linux-foundation.org> In-Reply-To: <20120831011541.ddf8ed78.akpm@linux-foundation.org> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: "Shishkin, Alexander" Cc: Andrew Morton , Michel Lespinasse , linux-mm@kvack.org, linux-kernel@vger.kernel.org, acme@redhat.com On 31/08/12 11:15, Andrew Morton wrote: > On Fri, 31 Aug 2012 01:07:24 -0700 Michel Lespinasse wrote: > >> On Fri, Aug 31, 2012 at 1:01 AM, Adrian Hunter wrote: >>> This breaks tools/perf build in linux-next: >>> >>> ../../lib/rbtree.c: In function 'rb_insert_color': >>> ../../lib/rbtree.c:95:9: error: 'true' undeclared (first use in this function) >>> ../../lib/rbtree.c:95:9: note: each undeclared identifier is reported only once for each function it appears in >>> ../../lib/rbtree.c: In function '__rb_erase_color': >>> ../../lib/rbtree.c:216:9: error: 'true' undeclared (first use in this function) >>> ../../lib/rbtree.c: In function 'rb_erase': >>> ../../lib/rbtree.c:368:2: error: unknown type name 'bool' >>> make: *** [util/rbtree.o] Error 1 >> >> I thought Andrew had a patch >> rbtree-adjust-root-color-in-rb_insert_color-only-when-necessary-fix-perf-compilation >> that fixed this though a Makefile change ? > > Yup. But it's unclear why we should include the header via the cc > command line? Dunno AFAICS tools/perf/util/include/linux is for fixing up the differences between kernel headers and exported kernel headers. Hence my change: diff --git a/tools/perf/util/include/linux/rbtree.h b/tools/perf/util/include/linux/rbtree.h index 7a243a1..2a030c5 100644 --- a/tools/perf/util/include/linux/rbtree.h +++ b/tools/perf/util/include/linux/rbtree.h @@ -1 +1,2 @@ +#include #include "../../../../include/linux/rbtree.h" Alex? > > > From: Alexander Shishkin > Subject: rbtree-adjust-root-color-in-rb_insert_color-only-when-necessary-fix-perf-compilation > > Commit 2cfaf9cc68190c24fdd05e4d104099b3f27c7a44 (rbtree: adjust root color > in rb_insert_color() only when necessary) introduces bool type and constants > to the rbtree.c, and breaks compilation of tools/perf: > > ../../lib/rbtree.c: In function `rb_insert_color': > ../../lib/rbtree.c:95:9: error: `true' undeclared (first use in this function) > ../../lib/rbtree.c:95:9: note: each undeclared identifier is reported only once > or each function it appears in > ../../lib/rbtree.c: In function `__rb_erase_color': > ../../lib/rbtree.c:216:9: error: `true' undeclared (first use in this function) > ../../lib/rbtree.c: In function `rb_erase': > ../../lib/rbtree.c:368:2: error: unknown type name `bool' > make: *** [util/rbtree.o] Error 1 > > This patch is the easiest solution I can think of. > > Signed-off-by: Alexander Shishkin > Acked-by: Michel Lespinasse > Signed-off-by: Andrew Morton > --- > > tools/perf/Makefile | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff -puN tools/perf/Makefile~rbtree-adjust-root-color-in-rb_insert_color-only-when-necessary-fix-perf-compilation tools/perf/Makefile > --- a/tools/perf/Makefile~rbtree-adjust-root-color-in-rb_insert_color-only-when-necessary-fix-perf-compilation > +++ a/tools/perf/Makefile > @@ -806,7 +806,7 @@ $(OUTPUT)ui/browsers/map.o: ui/browsers/ > $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $< > > $(OUTPUT)util/rbtree.o: ../../lib/rbtree.c $(OUTPUT)PERF-CFLAGS > - $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $< > + $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' -include stdbool.h $< > > $(OUTPUT)util/parse-events.o: util/parse-events.c $(OUTPUT)PERF-CFLAGS > $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -Wno-redundant-decls $< > _ > > > -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org