linux-kernel - [tip: x86/cache] x86/resctrl: Add printf attribute to log function

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Date:   Mon, 11 Jan 2021 10:50:09 -0000
From:   "tip-bot2 for Tom Rix" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Tom Rix <trix@...hat.com>, Borislav Petkov <bp@...e.de>,
        Reinette Chatre <reinette.chatre@...el.com>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: x86/cache] x86/resctrl: Add printf attribute to log function

The following commit has been merged into the x86/cache branch of tip:

Commit-ID:     3ff4ec0e281d0b234917e6e3033dd3067a5ea945
Gitweb:        https://git.kernel.org/tip/3ff4ec0e281d0b234917e6e3033dd3067a5ea945
Author:        Tom Rix <trix@...hat.com>
AuthorDate:    Mon, 21 Dec 2020 08:00:09 -08:00
Committer:     Borislav Petkov <bp@...e.de>
CommitterDate: Mon, 11 Jan 2021 11:20:36 +01:00

x86/resctrl: Add printf attribute to log function

Mark the function with the __printf attribute to allow the compiler to
more thoroughly typecheck its arguments against a format string with
-Wformat and similar flags.

 [ bp: Massage commit message. ]

Signed-off-by: Tom Rix <trix@...hat.com>
Signed-off-by: Borislav Petkov <bp@...e.de>
Acked-by: Reinette Chatre <reinette.chatre@...el.com>
Link: https://lkml.kernel.org/r/20201221160009.3752017-1-trix@redhat.com
---
 arch/x86/kernel/cpu/resctrl/internal.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/kernel/cpu/resctrl/internal.h b/arch/x86/kernel/cpu/resctrl/internal.h
index ee71c47..c4d320d 100644
--- a/arch/x86/kernel/cpu/resctrl/internal.h
+++ b/arch/x86/kernel/cpu/resctrl/internal.h
@@ -572,6 +572,7 @@ union cpuid_0x10_x_edx {
 
 void rdt_last_cmd_clear(void);
 void rdt_last_cmd_puts(const char *s);
+__printf(1, 2)
 void rdt_last_cmd_printf(const char *fmt, ...);
 
 void rdt_ctrl_update(void *arg);