[tip:,x86/cache] x86/resctrl: Add printf attribute to log function
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Message ID 161009289493.414.10503732751311581962.tip-bot2@tip-bot2
State Accepted
Commit 3ff4ec0e281d0b234917e6e3033dd3067a5ea945
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  • [tip:,x86/cache] x86/resctrl: Add printf attribute to log function
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Commit Message

tip-bot2 for Peter Zijlstra Jan. 8, 2021, 8:01 a.m. UTC
The following commit has been merged into the x86/cache branch of tip:

Commit-ID:     91031e096e1fa0216027bfb7fdca931225aebbf0
Gitweb:        https://git.kernel.org/tip/91031e096e1fa0216027bfb7fdca931225aebbf0
Author:        Tom Rix <trix@redhat.com>
AuthorDate:    Mon, 21 Dec 2020 08:00:09 -08:00
Committer:     Borislav Petkov <bp@suse.de>
CommitterDate: Fri, 08 Jan 2021 08:55:02 +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@redhat.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Acked-by: Reinette Chatre <reinette.chatre@intel.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(+)

Patch
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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);