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Message-Id: <20240704143611.2979589-4-arnd@kernel.org>
Date: Thu,  4 Jul 2024 16:35:57 +0200
From: Arnd Bergmann <arnd@...nel.org>
To: linux-arch@...r.kernel.org
Cc: Arnd Bergmann <arnd@...db.de>,
	Masahiro Yamada <masahiroy@...nel.org>,
	Nathan Chancellor <nathan@...nel.org>,
	Nicolas Schier <nicolas@...sle.eu>,
	Vineet Gupta <vgupta@...nel.org>,
	Russell King <linux@...linux.org.uk>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>,
	Guo Ren <guoren@...nel.org>,
	Brian Cain <bcain@...cinc.com>,
	Huacai Chen <chenhuacai@...nel.org>,
	WANG Xuerui <kernel@...0n.name>,
	Dinh Nguyen <dinguyen@...nel.org>,
	Jonas Bonn <jonas@...thpole.se>,
	Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>,
	Stafford Horne <shorne@...il.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Rich Felker <dalias@...c.org>,
	John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
	"David S. Miller" <davem@...emloft.net>,
	Andreas Larsson <andreas@...sler.com>,
	Christian Brauner <brauner@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	linux-kbuild@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-snps-arc@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-csky@...r.kernel.org,
	linux-hexagon@...r.kernel.org,
	loongarch@...ts.linux.dev,
	linux-openrisc@...r.kernel.org,
	linux-riscv@...ts.infradead.org
Subject: [PATCH 03/17] um: don't generate asm/bpf_perf_event.h

From: Arnd Bergmann <arnd@...db.de>

If we start validating the existence of the asm-generic side of
generated headers, this one causes a warning:

make[3]: *** No rule to make target 'arch/um/include/generated/asm/bpf_perf_event.h', needed by 'all'.  Stop.

The problem is that the asm-generic header only exists for the uapi
variant, but arch/um has no uapi headers and instead uses the x86
userspace API.

Add a custom file with an explicit redirect to avoid this.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 arch/um/include/asm/Kbuild           | 1 -
 arch/um/include/asm/bpf_perf_event.h | 3 +++
 2 files changed, 3 insertions(+), 1 deletion(-)
 create mode 100644 arch/um/include/asm/bpf_perf_event.h

diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild
index 6fe34779291a..6c583040537c 100644
--- a/arch/um/include/asm/Kbuild
+++ b/arch/um/include/asm/Kbuild
@@ -1,5 +1,4 @@
 # SPDX-License-Identifier: GPL-2.0
-generic-y += bpf_perf_event.h
 generic-y += bug.h
 generic-y += compat.h
 generic-y += current.h
diff --git a/arch/um/include/asm/bpf_perf_event.h b/arch/um/include/asm/bpf_perf_event.h
new file mode 100644
index 000000000000..0a30420c83de
--- /dev/null
+++ b/arch/um/include/asm/bpf_perf_event.h
@@ -0,0 +1,3 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#include <asm-generic/bpf_perf_event.h>
-- 
2.39.2


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