linux-kernel - [PATCH 05/17] kbuild: verify asm-generic header list

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Message-Id: <20240704143611.2979589-6-arnd@kernel.org>
Date: Thu,  4 Jul 2024 16:35:59 +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,
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	loongarch@...ts.linux.dev,
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	linux-riscv@...ts.infradead.org
Subject: [PATCH 05/17] kbuild: verify asm-generic header list

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

In order to integrate the system call header generation with generating
the asm-generic wrappers, restrict the generated headers to those that
actually exist in include/asm-generic/.

The path is already known, so add these as a dependency.

The asm-generic/bugs.h header was removed in commit 61235b24b9cb ("init:
Remove check_bugs() leftovers"), which now causes a build failure, so
drop it from the list.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 include/asm-generic/Kbuild   | 1 -
 scripts/Makefile.asm-generic | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild
index b20fa25a7e8d..df7ed81c4589 100644
--- a/include/asm-generic/Kbuild
+++ b/include/asm-generic/Kbuild
@@ -9,7 +9,6 @@ mandatory-y += archrandom.h
 mandatory-y += barrier.h
 mandatory-y += bitops.h
 mandatory-y += bug.h
-mandatory-y += bugs.h
 mandatory-y += cacheflush.h
 mandatory-y += cfi.h
 mandatory-y += checksum.h
diff --git a/scripts/Makefile.asm-generic b/scripts/Makefile.asm-generic
index 1486abf34c7c..69434908930e 100644
--- a/scripts/Makefile.asm-generic
+++ b/scripts/Makefile.asm-generic
@@ -46,7 +46,7 @@ all: $(generic-y)
 	$(if $(unwanted),$(call cmd,remove))
 	@:
 
-$(obj)/%.h:
+$(obj)/%.h: $(srctree)/$(generic)/%.h
 	$(call cmd,wrap)
 
 # Create output directory. Skip it if at least one old header exists
-- 
2.39.2