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[bpf-next] bpftool: Remove unnecessary source files from bootstrap version

Message ID 20240320013457.44808-1-qmo@kernel.org (mailing list archive)
State Accepted
Commit e9a826dd145bf2c19888aee1b974214cefc74a2e
Delegated to: BPF
Headers show
Series [bpf-next] bpftool: Remove unnecessary source files from bootstrap version | expand

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netdev/series_format success Single patches do not need cover letters
netdev/tree_selection success Clearly marked for bpf-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 8 this patch: 8
netdev/build_tools success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 1 maintainers not CCed: quentin@isovalent.com
netdev/build_clang success Errors and warnings before: 8 this patch: 8
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
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netdev/verify_fixes success Fixes tag looks correct
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netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Quentin Monnet March 20, 2024, 1:34 a.m. UTC 
Commit d510296d331a ("bpftool: Use syscall/loader program in "prog load"
and "gen skeleton" command.") added new files to the list of objects to
compile in order to build the bootstrap version of bpftool. As far as I
can tell, these objects are unnecessary and were added by mistake; maybe
a draft version intended to add support for loading loader programs from
the bootstrap version. Anyway, we can remove these object files from the
list to make the bootstrap bpftool binary a tad smaller and faster to
build.

Fixes: d510296d331a ("bpftool: Use syscall/loader program in "prog load" and "gen skeleton" command.")
Signed-off-by: Quentin Monnet <qmo@kernel.org>
---
 tools/bpf/bpftool/Makefile | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

Comments

Alexei Starovoitov March 20, 2024, 6:19 a.m. UTC | #1 
On Tue, Mar 19, 2024 at 6:35 PM Quentin Monnet <qmo@kernel.org> wrote:
>
> Commit d510296d331a ("bpftool: Use syscall/loader program in "prog load"
> and "gen skeleton" command.") added new files to the list of objects to
> compile in order to build the bootstrap version of bpftool. As far as I
> can tell, these objects are unnecessary and were added by mistake; maybe
> a draft version intended to add support for loading loader programs from
> the bootstrap version. Anyway, we can remove these object files from the
> list to make the bootstrap bpftool binary a tad smaller and faster to
> build.
>
> Fixes: d510296d331a ("bpftool: Use syscall/loader program in "prog load" and "gen skeleton" command.")

I don't remember why I needed them back then.
Probably to debug lskel.
Applied.
patchwork-bot+netdevbpf@kernel.org March 20, 2024, 6:20 a.m. UTC | #2 
Hello:

This patch was applied to bpf/bpf-next.git (master)
by Alexei Starovoitov <ast@kernel.org>:

On Wed, 20 Mar 2024 01:34:57 +0000 you wrote:
> Commit d510296d331a ("bpftool: Use syscall/loader program in "prog load"
> and "gen skeleton" command.") added new files to the list of objects to
> compile in order to build the bootstrap version of bpftool. As far as I
> can tell, these objects are unnecessary and were added by mistake; maybe
> a draft version intended to add support for loading loader programs from
> the bootstrap version. Anyway, we can remove these object files from the
> list to make the bootstrap bpftool binary a tad smaller and faster to
> build.
> 
> [...]

Here is the summary with links:
  - [bpf-next] bpftool: Remove unnecessary source files from bootstrap version
    https://git.kernel.org/bpf/bpf-next/c/e9a826dd145b

You are awesome, thank you!
diff mbox series

Patch

diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile
index e9154ace80ff..00c704423539 100644
--- a/tools/bpf/bpftool/Makefile
+++ b/tools/bpf/bpftool/Makefile
@@ -183,7 +183,7 @@  HOST_CFLAGS = $(subst -I$(LIBBPF_INCLUDE),-I$(LIBBPF_BOOTSTRAP_INCLUDE),\
 
 BPFTOOL_BOOTSTRAP := $(BOOTSTRAP_OUTPUT)bpftool
 
-BOOTSTRAP_OBJS = $(addprefix $(BOOTSTRAP_OUTPUT),main.o common.o json_writer.o gen.o btf.o xlated_dumper.o btf_dumper.o disasm.o)
+BOOTSTRAP_OBJS = $(addprefix $(BOOTSTRAP_OUTPUT),main.o common.o json_writer.o gen.o btf.o)
 $(BOOTSTRAP_OBJS): $(LIBBPF_BOOTSTRAP)
 
 OBJS = $(patsubst %.c,$(OUTPUT)%.o,$(SRCS)) $(OUTPUT)disasm.o
@@ -231,9 +231,6 @@  endif
 
 CFLAGS += $(if $(BUILD_BPF_SKELS),,-DBPFTOOL_WITHOUT_SKELETONS)
 
-$(BOOTSTRAP_OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
-	$(QUIET_CC)$(HOSTCC) $(HOST_CFLAGS) -c -MMD $< -o $@
-
 $(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
 	$(QUIET_CC)$(CC) $(CFLAGS) -c -MMD $< -o $@