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Date: Wed, 15 May 2019 12:56:14 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Breno Leitao <leitao@...ian.org>, Michael Ellerman <mpe@...erman.id.au>, Joel Stanley <joel@....id.au>, Nathan Chancellor <natechancellor@...il.com>, Major Hayden <major@...hat.com> Subject: [PATCH 4.9 39/51] powerpc/64s: Include cpu header From: Breno Leitao <leitao@...ian.org> commit 42e2acde1237878462b028f5a27d9cc5bea7502c upstream. Current powerpc security.c file is defining functions, as cpu_show_meltdown(), cpu_show_spectre_v{1,2} and others, that are being declared at linux/cpu.h header without including the header file that contains these declarations. This is being reported by sparse, which thinks that these functions are static, due to the lack of declaration: arch/powerpc/kernel/security.c:105:9: warning: symbol 'cpu_show_meltdown' was not declared. Should it be static? arch/powerpc/kernel/security.c:139:9: warning: symbol 'cpu_show_spectre_v1' was not declared. Should it be static? arch/powerpc/kernel/security.c:161:9: warning: symbol 'cpu_show_spectre_v2' was not declared. Should it be static? arch/powerpc/kernel/security.c:209:6: warning: symbol 'stf_barrier' was not declared. Should it be static? arch/powerpc/kernel/security.c:289:9: warning: symbol 'cpu_show_spec_store_bypass' was not declared. Should it be static? This patch simply includes the proper header (linux/cpu.h) to match function definition and declaration. Signed-off-by: Breno Leitao <leitao@...ian.org> Signed-off-by: Michael Ellerman <mpe@...erman.id.au> Cc: Joel Stanley <joel@....id.au> Cc: Nathan Chancellor <natechancellor@...il.com> Cc: Major Hayden <major@...hat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- arch/powerpc/kernel/security.c | 1 + 1 file changed, 1 insertion(+) --- a/arch/powerpc/kernel/security.c +++ b/arch/powerpc/kernel/security.c @@ -4,6 +4,7 @@ // // Copyright 2018, Michael Ellerman, IBM Corporation. +#include <linux/cpu.h> #include <linux/kernel.h> #include <linux/debugfs.h> #include <linux/device.h>
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