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authorQian Cai <cai@lca.pw>2019-07-08 23:36:45 +0200
committerThomas Gleixner <tglx@linutronix.de>2019-07-16 23:13:48 +0200
commitec6335586953b0df32f83ef696002063090c7aef (patch)
tree1c8d92ad137f9542346983833f934f4dd9a26fd0 /arch
parentx86/mm: Free sme_early_buffer after init (diff)
downloadlinux-ec6335586953b0df32f83ef696002063090c7aef.tar.xz
linux-ec6335586953b0df32f83ef696002063090c7aef.zip
x86/apic: Silence -Wtype-limits compiler warnings
There are many compiler warnings like this, In file included from ./arch/x86/include/asm/smp.h:13, from ./arch/x86/include/asm/mmzone_64.h:11, from ./arch/x86/include/asm/mmzone.h:5, from ./include/linux/mmzone.h:969, from ./include/linux/gfp.h:6, from ./include/linux/mm.h:10, from arch/x86/kernel/apic/io_apic.c:34: arch/x86/kernel/apic/io_apic.c: In function 'check_timer': ./arch/x86/include/asm/apic.h:37:11: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits] if ((v) <= apic_verbosity) \ ^~ arch/x86/kernel/apic/io_apic.c:2160:2: note: in expansion of macro 'apic_printk' apic_printk(APIC_QUIET, KERN_INFO "..TIMER: vector=0x%02X " ^~~~~~~~~~~ ./arch/x86/include/asm/apic.h:37:11: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits] if ((v) <= apic_verbosity) \ ^~ arch/x86/kernel/apic/io_apic.c:2207:4: note: in expansion of macro 'apic_printk' apic_printk(APIC_QUIET, KERN_ERR "..MP-BIOS bug: " ^~~~~~~~~~~ APIC_QUIET is 0, so silence them by making apic_verbosity type int. Signed-off-by: Qian Cai <cai@lca.pw> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/1562621805-24789-1-git-send-email-cai@lca.pw
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/include/asm/apic.h2
-rw-r--r--arch/x86/kernel/apic/apic.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 050e5f9ebf81..e647aa095867 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -49,7 +49,7 @@ static inline void generic_apic_probe(void)
#ifdef CONFIG_X86_LOCAL_APIC
-extern unsigned int apic_verbosity;
+extern int apic_verbosity;
extern int local_apic_timer_c2_ok;
extern int disable_apic;
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 1bd91cb7b320..f5291362da1a 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -183,7 +183,7 @@ EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok);
/*
* Debug level, exported for io_apic.c
*/
-unsigned int apic_verbosity;
+int apic_verbosity;
int pic_mode;