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 <[email protected]>
AuthorDate:    Mon, 21 Dec 2020 08:00:09 -08:00
Committer:     Borislav Petkov <[email protected]>
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 <[email protected]>
Signed-off-by: Borislav Petkov <[email protected]>
Acked-by: Reinette Chatre <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
---
 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);

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