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* [PATCH v2 1/2] perf namespaces: Avoid get_current_dir_name dependency
@ 2025-10-03 17:56 Ian Rogers
  2025-10-03 17:56 ` [PATCH v2 2/2] tools build: Remove get_current_dir_name Ian Rogers
  2025-10-03 18:29 ` [PATCH v2 1/2] perf namespaces: Avoid get_current_dir_name dependency Arnaldo Carvalho de Melo
  0 siblings, 2 replies; 5+ messages in thread
From: Ian Rogers @ 2025-10-03 17:56 UTC (permalink / raw)
  To: Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo,
	Namhyung Kim, Alexander Shishkin, Jiri Olsa, Ian Rogers,
	Adrian Hunter, linux-kernel, linux-perf-users

get_current_dir_name is a GNU extension not supported on, for example,
Android. There is only one use of it so let's just switch to getcwd to
avoid build and other complexity.

Signed-off-by: Ian Rogers <irogers@google.com>
---
v2: Fix free of oldcwd on errout.
---
 tools/perf/Makefile.config             |  4 ----
 tools/perf/util/Build                  |  1 -
 tools/perf/util/get_current_dir_name.c | 18 ------------------
 tools/perf/util/get_current_dir_name.h |  8 --------
 tools/perf/util/namespaces.c           |  7 +++----
 5 files changed, 3 insertions(+), 35 deletions(-)
 delete mode 100644 tools/perf/util/get_current_dir_name.c
 delete mode 100644 tools/perf/util/get_current_dir_name.h

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index 0f4b297fbacc..6cdb96576cb8 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -417,10 +417,6 @@ ifeq ($(feature-eventfd), 1)
   CFLAGS += -DHAVE_EVENTFD_SUPPORT
 endif
 
-ifeq ($(feature-get_current_dir_name), 1)
-  CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
-endif
-
 ifeq ($(feature-gettid), 1)
   CFLAGS += -DHAVE_GETTID
 endif
diff --git a/tools/perf/util/Build b/tools/perf/util/Build
index 5ead46dc98e7..9464eceb764b 100644
--- a/tools/perf/util/Build
+++ b/tools/perf/util/Build
@@ -23,7 +23,6 @@ perf-util-y += evsel_fprintf.o
 perf-util-y += perf_event_attr_fprintf.o
 perf-util-y += evswitch.o
 perf-util-y += find_bit.o
-perf-util-y += get_current_dir_name.o
 perf-util-y += levenshtein.o
 perf-util-y += mmap.o
 perf-util-y += memswap.o
diff --git a/tools/perf/util/get_current_dir_name.c b/tools/perf/util/get_current_dir_name.c
deleted file mode 100644
index e68935e9ac8c..000000000000
--- a/tools/perf/util/get_current_dir_name.c
+++ /dev/null
@@ -1,18 +0,0 @@
-// SPDX-License-Identifier: LGPL-2.1
-// Copyright (C) 2018, 2019 Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
-//
-#ifndef HAVE_GET_CURRENT_DIR_NAME
-#include "get_current_dir_name.h"
-#include <limits.h>
-#include <string.h>
-#include <unistd.h>
-
-/* Android's 'bionic' library, for one, doesn't have this */
-
-char *get_current_dir_name(void)
-{
-	char pwd[PATH_MAX];
-
-	return getcwd(pwd, sizeof(pwd)) == NULL ? NULL : strdup(pwd);
-}
-#endif // HAVE_GET_CURRENT_DIR_NAME
diff --git a/tools/perf/util/get_current_dir_name.h b/tools/perf/util/get_current_dir_name.h
deleted file mode 100644
index 69f7d5537d32..000000000000
--- a/tools/perf/util/get_current_dir_name.h
+++ /dev/null
@@ -1,8 +0,0 @@
-// SPDX-License-Identifier: LGPL-2.1
-// Copyright (C) 2018, 2019 Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
-//
-#ifndef __PERF_GET_CURRENT_DIR_NAME_H
-#ifndef HAVE_GET_CURRENT_DIR_NAME
-char *get_current_dir_name(void);
-#endif // HAVE_GET_CURRENT_DIR_NAME
-#endif // __PERF_GET_CURRENT_DIR_NAME_H
diff --git a/tools/perf/util/namespaces.c b/tools/perf/util/namespaces.c
index 68f5de2d79c7..01502570b32d 100644
--- a/tools/perf/util/namespaces.c
+++ b/tools/perf/util/namespaces.c
@@ -6,7 +6,6 @@
 
 #include "namespaces.h"
 #include "event.h"
-#include "get_current_dir_name.h"
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
@@ -293,14 +292,14 @@ void nsinfo__mountns_enter(struct nsinfo *nsi,
 	if (!nsi || !nsinfo__need_setns(nsi))
 		return;
 
-	if (snprintf(curpath, PATH_MAX, "/proc/self/ns/mnt") >= PATH_MAX)
+	if (!getcwd(curpath, sizeof(curpath)))
 		return;
 
-	oldcwd = get_current_dir_name();
+	oldcwd = strdup(curpath);
 	if (!oldcwd)
 		return;
 
-	oldns = open(curpath, O_RDONLY);
+	oldns = open("/proc/self/ns/mnt", O_RDONLY);
 	if (oldns < 0)
 		goto errout;
 
-- 
2.51.0.618.g983fd99d29-goog


^ permalink raw reply related	[flat|nested] 5+ messages in thread

* [PATCH v2 2/2] tools build: Remove get_current_dir_name
  2025-10-03 17:56 [PATCH v2 1/2] perf namespaces: Avoid get_current_dir_name dependency Ian Rogers
@ 2025-10-03 17:56 ` Ian Rogers
  2025-10-03 19:48   ` Arnaldo Carvalho de Melo
  2025-10-03 18:29 ` [PATCH v2 1/2] perf namespaces: Avoid get_current_dir_name dependency Arnaldo Carvalho de Melo
  1 sibling, 1 reply; 5+ messages in thread
From: Ian Rogers @ 2025-10-03 17:56 UTC (permalink / raw)
  To: Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo,
	Namhyung Kim, Alexander Shishkin, Jiri Olsa, Ian Rogers,
	Adrian Hunter, linux-kernel, linux-perf-users

As perf no longer tests for this feature, and it was the only user,
remove the feature test.

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/build/Makefile.feature                    |  1 -
 tools/build/feature/Makefile                    |  4 ----
 tools/build/feature/test-all.c                  |  4 ----
 tools/build/feature/test-get_current_dir_name.c | 11 -----------
 4 files changed, 20 deletions(-)
 delete mode 100644 tools/build/feature/test-get_current_dir_name.c

diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index 9c1a69d26f51..9399f591bd69 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -68,7 +68,6 @@ FEATURE_TESTS_BASIC :=                  \
         libdw                           \
         eventfd                         \
         fortify-source                  \
-        get_current_dir_name            \
         gettid				\
         glibc                           \
         libbfd                          \
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index b41a42818d8a..d13d2a1f44fe 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -8,7 +8,6 @@ FILES=                                          \
          test-libdw.bin                         \
          test-eventfd.bin                       \
          test-fortify-source.bin                \
-         test-get_current_dir_name.bin          \
          test-glibc.bin                         \
          test-gtk2.bin                          \
          test-gtk2-infobar.bin                  \
@@ -147,9 +146,6 @@ $(OUTPUT)test-libelf.bin:
 $(OUTPUT)test-eventfd.bin:
 	$(BUILD)
 
-$(OUTPUT)test-get_current_dir_name.bin:
-	$(BUILD)
-
 $(OUTPUT)test-glibc.bin:
 	$(BUILD)
 
diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c
index e1847db6f8e6..778883a32afb 100644
--- a/tools/build/feature/test-all.c
+++ b/tools/build/feature/test-all.c
@@ -22,10 +22,6 @@
 # include "test-libelf.c"
 #undef main
 
-#define main main_test_get_current_dir_name
-# include "test-get_current_dir_name.c"
-#undef main
-
 #define main main_test_gettid
 # include "test-gettid.c"
 #undef main
diff --git a/tools/build/feature/test-get_current_dir_name.c b/tools/build/feature/test-get_current_dir_name.c
deleted file mode 100644
index c3c201691b4f..000000000000
--- a/tools/build/feature/test-get_current_dir_name.c
+++ /dev/null
@@ -1,11 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#define _GNU_SOURCE
-#include <unistd.h>
-#include <stdlib.h>
-
-int main(void)
-{
-	free(get_current_dir_name());
-	return 0;
-}
-#undef _GNU_SOURCE
-- 
2.51.0.618.g983fd99d29-goog


^ permalink raw reply related	[flat|nested] 5+ messages in thread

* Re: [PATCH v2 1/2] perf namespaces: Avoid get_current_dir_name dependency
  2025-10-03 17:56 [PATCH v2 1/2] perf namespaces: Avoid get_current_dir_name dependency Ian Rogers
  2025-10-03 17:56 ` [PATCH v2 2/2] tools build: Remove get_current_dir_name Ian Rogers
@ 2025-10-03 18:29 ` Arnaldo Carvalho de Melo
  1 sibling, 0 replies; 5+ messages in thread
From: Arnaldo Carvalho de Melo @ 2025-10-03 18:29 UTC (permalink / raw)
  To: Ian Rogers
  Cc: Peter Zijlstra, Ingo Molnar, Namhyung Kim, Alexander Shishkin,
	Jiri Olsa, Adrian Hunter, linux-kernel, linux-perf-users

On Fri, Oct 03, 2025 at 10:56:12AM -0700, Ian Rogers wrote:
> get_current_dir_name is a GNU extension not supported on, for example,
> Android. There is only one use of it so let's just switch to getcwd to
> avoid build and other complexity.
> 
> Signed-off-by: Ian Rogers <irogers@google.com>
> ---
> v2: Fix free of oldcwd on errout.

Simple enough, applied both patches to perf-tools-next.

I'll now have to try and pick as few patches as possible so as to have
what is in perf-tools-next sit over the weekend on linux-next to then
send a pull req for 6.18.

- Arnaldo
> ---
>  tools/perf/Makefile.config             |  4 ----
>  tools/perf/util/Build                  |  1 -
>  tools/perf/util/get_current_dir_name.c | 18 ------------------
>  tools/perf/util/get_current_dir_name.h |  8 --------
>  tools/perf/util/namespaces.c           |  7 +++----
>  5 files changed, 3 insertions(+), 35 deletions(-)
>  delete mode 100644 tools/perf/util/get_current_dir_name.c
>  delete mode 100644 tools/perf/util/get_current_dir_name.h
> 
> diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
> index 0f4b297fbacc..6cdb96576cb8 100644
> --- a/tools/perf/Makefile.config
> +++ b/tools/perf/Makefile.config
> @@ -417,10 +417,6 @@ ifeq ($(feature-eventfd), 1)
>    CFLAGS += -DHAVE_EVENTFD_SUPPORT
>  endif
>  
> -ifeq ($(feature-get_current_dir_name), 1)
> -  CFLAGS += -DHAVE_GET_CURRENT_DIR_NAME
> -endif
> -
>  ifeq ($(feature-gettid), 1)
>    CFLAGS += -DHAVE_GETTID
>  endif
> diff --git a/tools/perf/util/Build b/tools/perf/util/Build
> index 5ead46dc98e7..9464eceb764b 100644
> --- a/tools/perf/util/Build
> +++ b/tools/perf/util/Build
> @@ -23,7 +23,6 @@ perf-util-y += evsel_fprintf.o
>  perf-util-y += perf_event_attr_fprintf.o
>  perf-util-y += evswitch.o
>  perf-util-y += find_bit.o
> -perf-util-y += get_current_dir_name.o
>  perf-util-y += levenshtein.o
>  perf-util-y += mmap.o
>  perf-util-y += memswap.o
> diff --git a/tools/perf/util/get_current_dir_name.c b/tools/perf/util/get_current_dir_name.c
> deleted file mode 100644
> index e68935e9ac8c..000000000000
> --- a/tools/perf/util/get_current_dir_name.c
> +++ /dev/null
> @@ -1,18 +0,0 @@
> -// SPDX-License-Identifier: LGPL-2.1
> -// Copyright (C) 2018, 2019 Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
> -//
> -#ifndef HAVE_GET_CURRENT_DIR_NAME
> -#include "get_current_dir_name.h"
> -#include <limits.h>
> -#include <string.h>
> -#include <unistd.h>
> -
> -/* Android's 'bionic' library, for one, doesn't have this */
> -
> -char *get_current_dir_name(void)
> -{
> -	char pwd[PATH_MAX];
> -
> -	return getcwd(pwd, sizeof(pwd)) == NULL ? NULL : strdup(pwd);
> -}
> -#endif // HAVE_GET_CURRENT_DIR_NAME
> diff --git a/tools/perf/util/get_current_dir_name.h b/tools/perf/util/get_current_dir_name.h
> deleted file mode 100644
> index 69f7d5537d32..000000000000
> --- a/tools/perf/util/get_current_dir_name.h
> +++ /dev/null
> @@ -1,8 +0,0 @@
> -// SPDX-License-Identifier: LGPL-2.1
> -// Copyright (C) 2018, 2019 Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
> -//
> -#ifndef __PERF_GET_CURRENT_DIR_NAME_H
> -#ifndef HAVE_GET_CURRENT_DIR_NAME
> -char *get_current_dir_name(void);
> -#endif // HAVE_GET_CURRENT_DIR_NAME
> -#endif // __PERF_GET_CURRENT_DIR_NAME_H
> diff --git a/tools/perf/util/namespaces.c b/tools/perf/util/namespaces.c
> index 68f5de2d79c7..01502570b32d 100644
> --- a/tools/perf/util/namespaces.c
> +++ b/tools/perf/util/namespaces.c
> @@ -6,7 +6,6 @@
>  
>  #include "namespaces.h"
>  #include "event.h"
> -#include "get_current_dir_name.h"
>  #include <sys/types.h>
>  #include <sys/stat.h>
>  #include <fcntl.h>
> @@ -293,14 +292,14 @@ void nsinfo__mountns_enter(struct nsinfo *nsi,
>  	if (!nsi || !nsinfo__need_setns(nsi))
>  		return;
>  
> -	if (snprintf(curpath, PATH_MAX, "/proc/self/ns/mnt") >= PATH_MAX)
> +	if (!getcwd(curpath, sizeof(curpath)))
>  		return;
>  
> -	oldcwd = get_current_dir_name();
> +	oldcwd = strdup(curpath);
>  	if (!oldcwd)
>  		return;
>  
> -	oldns = open(curpath, O_RDONLY);
> +	oldns = open("/proc/self/ns/mnt", O_RDONLY);
>  	if (oldns < 0)
>  		goto errout;
>  
> -- 
> 2.51.0.618.g983fd99d29-goog

^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH v2 2/2] tools build: Remove get_current_dir_name
  2025-10-03 17:56 ` [PATCH v2 2/2] tools build: Remove get_current_dir_name Ian Rogers
@ 2025-10-03 19:48   ` Arnaldo Carvalho de Melo
  2025-10-03 21:29     ` Ian Rogers
  0 siblings, 1 reply; 5+ messages in thread
From: Arnaldo Carvalho de Melo @ 2025-10-03 19:48 UTC (permalink / raw)
  To: Ian Rogers
  Cc: Peter Zijlstra, Ingo Molnar, Namhyung Kim, Alexander Shishkin,
	Jiri Olsa, Adrian Hunter, linux-kernel, linux-perf-users

On Fri, Oct 03, 2025 at 10:56:13AM -0700, Ian Rogers wrote:
> As perf no longer tests for this feature, and it was the only user,
> remove the feature test.

You forgot to remove this:

⬢ [acme@toolbx perf-tools-next]$ git diff
diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c
index 71ba7001dc25c6bb..8a354b81417c6fcc 100644
--- a/tools/build/feature/test-all.c
+++ b/tools/build/feature/test-all.c
@@ -151,7 +151,6 @@ int main(int argc, char *argv[])
        main_test_libpython();
        main_test_hello();
        main_test_libelf();
-       main_test_get_current_dir_name();
        main_test_gettid();
        main_test_glibc();
        main_test_libdw();
⬢ [acme@toolbx perf-tools-next]$ 

That results, when building with this alias:

alias m='rm -rf ~/libexec/perf-core/ ; make CORESIGHT=1 -k O=/tmp/build/$(basename $PWD)/ -C tools/perf install-bin && perf test python && cat /tmp/build/$(basename $PWD)/feature/test-all.make.output'

that needs to be on the makefiles somewhere, shows that test-all.bin is
failing to build:

make: Leaving directory '/home/acme/git/perf-tools-next/tools/perf'
 88: 'import perf' in python                                         : FAILED!
test-all.c: In function ‘main’:
test-all.c:154:9: error: implicit declaration of function ‘main_test_get_current_dir_name’; did you mean ‘get_current_dir_name’? [-Wimplicit-function-declaration]
  154 |         main_test_get_current_dir_name();
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |         get_current_dir_name
⬢ [acme@toolbx perf-tools-next]$ 

I fixed this up already,

Thanks,

- Arnaldo
 
> Signed-off-by: Ian Rogers <irogers@google.com>
> ---
>  tools/build/Makefile.feature                    |  1 -
>  tools/build/feature/Makefile                    |  4 ----
>  tools/build/feature/test-all.c                  |  4 ----
>  tools/build/feature/test-get_current_dir_name.c | 11 -----------
>  4 files changed, 20 deletions(-)
>  delete mode 100644 tools/build/feature/test-get_current_dir_name.c
> 
> diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
> index 9c1a69d26f51..9399f591bd69 100644
> --- a/tools/build/Makefile.feature
> +++ b/tools/build/Makefile.feature
> @@ -68,7 +68,6 @@ FEATURE_TESTS_BASIC :=                  \
>          libdw                           \
>          eventfd                         \
>          fortify-source                  \
> -        get_current_dir_name            \
>          gettid				\
>          glibc                           \
>          libbfd                          \
> diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
> index b41a42818d8a..d13d2a1f44fe 100644
> --- a/tools/build/feature/Makefile
> +++ b/tools/build/feature/Makefile
> @@ -8,7 +8,6 @@ FILES=                                          \
>           test-libdw.bin                         \
>           test-eventfd.bin                       \
>           test-fortify-source.bin                \
> -         test-get_current_dir_name.bin          \
>           test-glibc.bin                         \
>           test-gtk2.bin                          \
>           test-gtk2-infobar.bin                  \
> @@ -147,9 +146,6 @@ $(OUTPUT)test-libelf.bin:
>  $(OUTPUT)test-eventfd.bin:
>  	$(BUILD)
>  
> -$(OUTPUT)test-get_current_dir_name.bin:
> -	$(BUILD)
> -
>  $(OUTPUT)test-glibc.bin:
>  	$(BUILD)
>  
> diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c
> index e1847db6f8e6..778883a32afb 100644
> --- a/tools/build/feature/test-all.c
> +++ b/tools/build/feature/test-all.c
> @@ -22,10 +22,6 @@
>  # include "test-libelf.c"
>  #undef main
>  
> -#define main main_test_get_current_dir_name
> -# include "test-get_current_dir_name.c"
> -#undef main
> -
>  #define main main_test_gettid
>  # include "test-gettid.c"
>  #undef main
> diff --git a/tools/build/feature/test-get_current_dir_name.c b/tools/build/feature/test-get_current_dir_name.c
> deleted file mode 100644
> index c3c201691b4f..000000000000
> --- a/tools/build/feature/test-get_current_dir_name.c
> +++ /dev/null
> @@ -1,11 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -#define _GNU_SOURCE
> -#include <unistd.h>
> -#include <stdlib.h>
> -
> -int main(void)
> -{
> -	free(get_current_dir_name());
> -	return 0;
> -}
> -#undef _GNU_SOURCE
> -- 
> 2.51.0.618.g983fd99d29-goog

^ permalink raw reply related	[flat|nested] 5+ messages in thread

* Re: [PATCH v2 2/2] tools build: Remove get_current_dir_name
  2025-10-03 19:48   ` Arnaldo Carvalho de Melo
@ 2025-10-03 21:29     ` Ian Rogers
  0 siblings, 0 replies; 5+ messages in thread
From: Ian Rogers @ 2025-10-03 21:29 UTC (permalink / raw)
  To: Arnaldo Carvalho de Melo
  Cc: Peter Zijlstra, Ingo Molnar, Namhyung Kim, Alexander Shishkin,
	Jiri Olsa, Adrian Hunter, linux-kernel, linux-perf-users

On Fri, Oct 3, 2025 at 12:48 PM Arnaldo Carvalho de Melo
<acme@kernel.org> wrote:
>
> On Fri, Oct 03, 2025 at 10:56:13AM -0700, Ian Rogers wrote:
> > As perf no longer tests for this feature, and it was the only user,
> > remove the feature test.
>
> You forgot to remove this:
>
> ⬢ [acme@toolbx perf-tools-next]$ git diff
> diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c
> index 71ba7001dc25c6bb..8a354b81417c6fcc 100644
> --- a/tools/build/feature/test-all.c
> +++ b/tools/build/feature/test-all.c
> @@ -151,7 +151,6 @@ int main(int argc, char *argv[])
>         main_test_libpython();
>         main_test_hello();
>         main_test_libelf();
> -       main_test_get_current_dir_name();
>         main_test_gettid();
>         main_test_glibc();
>         main_test_libdw();
> ⬢ [acme@toolbx perf-tools-next]$
>
> That results, when building with this alias:
>
> alias m='rm -rf ~/libexec/perf-core/ ; make CORESIGHT=1 -k O=/tmp/build/$(basename $PWD)/ -C tools/perf install-bin && perf test python && cat /tmp/build/$(basename $PWD)/feature/test-all.make.output'
>
> that needs to be on the makefiles somewhere, shows that test-all.bin is
> failing to build:
>
> make: Leaving directory '/home/acme/git/perf-tools-next/tools/perf'
>  88: 'import perf' in python                                         : FAILED!
> test-all.c: In function ‘main’:
> test-all.c:154:9: error: implicit declaration of function ‘main_test_get_current_dir_name’; did you mean ‘get_current_dir_name’? [-Wimplicit-function-declaration]
>   154 |         main_test_get_current_dir_name();
>       |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>       |         get_current_dir_name
> ⬢ [acme@toolbx perf-tools-next]$
>
> I fixed this up already,

Sorry for that. Thanks for fixing it up!
Ian

> Thanks,
>
> - Arnaldo
>
> > Signed-off-by: Ian Rogers <irogers@google.com>
> > ---
> >  tools/build/Makefile.feature                    |  1 -
> >  tools/build/feature/Makefile                    |  4 ----
> >  tools/build/feature/test-all.c                  |  4 ----
> >  tools/build/feature/test-get_current_dir_name.c | 11 -----------
> >  4 files changed, 20 deletions(-)
> >  delete mode 100644 tools/build/feature/test-get_current_dir_name.c
> >
> > diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
> > index 9c1a69d26f51..9399f591bd69 100644
> > --- a/tools/build/Makefile.feature
> > +++ b/tools/build/Makefile.feature
> > @@ -68,7 +68,6 @@ FEATURE_TESTS_BASIC :=                  \
> >          libdw                           \
> >          eventfd                         \
> >          fortify-source                  \
> > -        get_current_dir_name            \
> >          gettid                               \
> >          glibc                           \
> >          libbfd                          \
> > diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
> > index b41a42818d8a..d13d2a1f44fe 100644
> > --- a/tools/build/feature/Makefile
> > +++ b/tools/build/feature/Makefile
> > @@ -8,7 +8,6 @@ FILES=                                          \
> >           test-libdw.bin                         \
> >           test-eventfd.bin                       \
> >           test-fortify-source.bin                \
> > -         test-get_current_dir_name.bin          \
> >           test-glibc.bin                         \
> >           test-gtk2.bin                          \
> >           test-gtk2-infobar.bin                  \
> > @@ -147,9 +146,6 @@ $(OUTPUT)test-libelf.bin:
> >  $(OUTPUT)test-eventfd.bin:
> >       $(BUILD)
> >
> > -$(OUTPUT)test-get_current_dir_name.bin:
> > -     $(BUILD)
> > -
> >  $(OUTPUT)test-glibc.bin:
> >       $(BUILD)
> >
> > diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c
> > index e1847db6f8e6..778883a32afb 100644
> > --- a/tools/build/feature/test-all.c
> > +++ b/tools/build/feature/test-all.c
> > @@ -22,10 +22,6 @@
> >  # include "test-libelf.c"
> >  #undef main
> >
> > -#define main main_test_get_current_dir_name
> > -# include "test-get_current_dir_name.c"
> > -#undef main
> > -
> >  #define main main_test_gettid
> >  # include "test-gettid.c"
> >  #undef main
> > diff --git a/tools/build/feature/test-get_current_dir_name.c b/tools/build/feature/test-get_current_dir_name.c
> > deleted file mode 100644
> > index c3c201691b4f..000000000000
> > --- a/tools/build/feature/test-get_current_dir_name.c
> > +++ /dev/null
> > @@ -1,11 +0,0 @@
> > -// SPDX-License-Identifier: GPL-2.0
> > -#define _GNU_SOURCE
> > -#include <unistd.h>
> > -#include <stdlib.h>
> > -
> > -int main(void)
> > -{
> > -     free(get_current_dir_name());
> > -     return 0;
> > -}
> > -#undef _GNU_SOURCE
> > --
> > 2.51.0.618.g983fd99d29-goog

^ permalink raw reply	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2025-10-03 21:29 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2025-10-03 17:56 [PATCH v2 1/2] perf namespaces: Avoid get_current_dir_name dependency Ian Rogers
2025-10-03 17:56 ` [PATCH v2 2/2] tools build: Remove get_current_dir_name Ian Rogers
2025-10-03 19:48   ` Arnaldo Carvalho de Melo
2025-10-03 21:29     ` Ian Rogers
2025-10-03 18:29 ` [PATCH v2 1/2] perf namespaces: Avoid get_current_dir_name dependency Arnaldo Carvalho de Melo

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