linux-kernel - [PATCH 12/15] arm64: kaslr: add kaslr_early

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Message-Id: <20230516160642.523862-13-arnd@kernel.org>
Date:   Tue, 16 May 2023 18:06:39 +0200
From:   Arnd Bergmann <arnd@...nel.org>
To:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>
Cc:     Arnd Bergmann <arnd@...db.de>, Ard Biesheuvel <ardb@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Marc Zyngier <maz@...nel.org>,
        Oliver Upton <oliver.upton@...ux.dev>,
        James Morse <james.morse@....com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Zenghui Yu <yuzenghui@...wei.com>,
        Anshuman Khandual <anshuman.khandual@....com>,
        Kees Cook <keescook@...omium.org>,
        Suren Baghdasaryan <surenb@...gle.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-efi@...r.kernel.org, kvmarm@...ts.linux.dev
Subject: [PATCH 12/15] arm64: kaslr: add kaslr_early_init() declaration

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

kaslr_early_init() is called from assembler code and does not
need a declaration to work, but adding one anyway shuts up
this W=1 warning:

arch/arm64/kernel/pi/kaslr_early.c:88:16: error: no previous prototype for 'kaslr_early_init' [-Werror=missing-prototypes]

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 arch/arm64/include/asm/archrandom.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/include/asm/archrandom.h b/arch/arm64/include/asm/archrandom.h
index 2f5f3da34782..b0abc64f86b0 100644
--- a/arch/arm64/include/asm/archrandom.h
+++ b/arch/arm64/include/asm/archrandom.h
@@ -129,4 +129,6 @@ static inline bool __init __early_cpu_has_rndr(void)
 	return (ftr >> ID_AA64ISAR0_EL1_RNDR_SHIFT) & 0xf;
 }
 
+u64 kaslr_early_init(void *fdt);
+
 #endif /* _ASM_ARCHRANDOM_H */
-- 
2.39.2