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Date:   Mon, 21 Dec 2020 08:00:09 -0800
        Tom Rix <>
Subject: [PATCH] x86/resctrl: add printf attribute to log function

From: Tom Rix <>

Attributing the function allows the compiler to more thoroughly
check the use of the function with -Wformat and similar flags.

Signed-off-by: Tom Rix <>
 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 ee71c47844cb..c4d320d02fd5 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);

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