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extensively as possible with minimal effort and reduced maintenance overhead. Examples of how LKL can be used are: creating userspace applications (running on Linux and other operating systems) that can read or write Linux filesystems or can use the Linux networking stack, creating kernel drivers for other operating systems that can read Linux filesystems, bootloaders support for reading/writing Linux filesystems, etc. With LKL, the kernel code is compiled into an object file that can be directly linked by applications. The API offered by LKL is based on the Linux system call interface. WARNING: LKL is EXPERIMENTAL; using it could cause data corruption! OBS-URL: https://build.opensuse.org/package/show/filesystems/lkl?expand=0&rev=1
67 lines
2.2 KiB
Diff
67 lines
2.2 KiB
Diff
From a593a3baa44cbfbeb11f0cc3c2a921688fdf09b0 Mon Sep 17 00:00:00 2001
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From: Jiri Olsa <jolsa@kernel.org>
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Date: Sun, 8 Oct 2023 23:22:50 +0200
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Subject: [PATCH 1/3] tools/build: Fix -s detection code in
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tools/build/Makefile.build
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As Dmitry described in [1] changelog the current way of detecting
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-s option is broken for new make.
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Changing the tools/build -s option detection the same way as it was
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fixed for root Makefile in [1].
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[1] 4bf73588165b ("kbuild: Port silent mode detection to future gnu make.")
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Cc: Dmitry Goncharov <dgoncharov@users.sf.net>
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Signed-off-by: Jiri Olsa <jolsa@kernel.org>
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Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Acked-by: Namhyung Kim <namhyung@kernel.org>
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Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
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Cc: KP Singh <kpsingh@chromium.org>
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Cc: Martin KaFai Lau <kafai@fb.com>
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Cc: Song Liu <songliubraving@fb.com>
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Cc: Yonghong Song <yhs@fb.com>
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Cc: John Fastabend <john.fastabend@gmail.com>
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Cc: Hao Luo <haoluo@google.com>
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Cc: Ian Rogers <irogers@google.com>
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Cc: Stanislav Fomichev <sdf@google.com>
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Cc: Daniel Borkmann <daniel@iogearbox.net>
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Cc: Quentin Monnet <quentin@isovalent.com>
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Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
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Cc: Andrii Nakryiko <andrii@kernel.org>
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Cc: Alexei Starovoitov <ast@kernel.org>
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Cc: Ingo Molnar <mingo@kernel.org>
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Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
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Cc: bpf@vger.kernel.org
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Cc: linux-perf-users@vger.kernel.org
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Link: https://lore.kernel.org/r/20231008212251.236023-2-jolsa@kernel.org
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Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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---
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tools/build/Makefile.build | 10 +++++++++-
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1 file changed, 9 insertions(+), 1 deletion(-)
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diff --git a/tools/build/Makefile.build b/tools/build/Makefile.build
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index fac42486a8cf0..5fb3fb3d97e0f 100644
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--- a/tools/build/Makefile.build
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+++ b/tools/build/Makefile.build
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@@ -20,7 +20,15 @@ else
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Q=@
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endif
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-ifneq ($(findstring s,$(filter-out --%,$(MAKEFLAGS))),)
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+# If the user is running make -s (silent mode), suppress echoing of commands
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+# make-4.0 (and later) keep single letter options in the 1st word of MAKEFLAGS.
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+ifeq ($(filter 3.%,$(MAKE_VERSION)),)
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+short-opts := $(firstword -$(MAKEFLAGS))
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+else
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+short-opts := $(filter-out --%,$(MAKEFLAGS))
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+endif
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+
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+ifneq ($(findstring s,$(short-opts)),)
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quiet=silent_
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endif
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--
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2.48.1
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