Commit d768e3f3 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

x86/apic: Provide apic_printk() helpers 



apic_printk() requires the APIC verbosity level and printk level which is
tedious and horrible to read. Provide helpers to simplify all of that.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Tested-by: default avatarQiuxu Zhuo <qiuxu.zhuo@intel.com>
Tested-by: default avatarBreno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/all/20240802155440.527510045@linutronix.de
parent ed57538b

arch/x86/include/asm/apic.h

+19 −14
Original line number Diff line number Diff line
@@ -18,6 +18,11 @@ 


#define ARCH_APICTIMER_STOPS_ON_C3	1



/* Macros for apic_extnmi which controls external NMI masking */

#define APIC_EXTNMI_BSP		0 /* Default */

#define APIC_EXTNMI_ALL		1

#define APIC_EXTNMI_NONE	2



/*

 * Debugging macros

 */
@@ -25,22 +30,22 @@ 
#define APIC_VERBOSE 1

#define APIC_DEBUG   2



/* Macros for apic_extnmi which controls external NMI masking */

#define APIC_EXTNMI_BSP		0 /* Default */

#define APIC_EXTNMI_ALL		1

#define APIC_EXTNMI_NONE	2



/*

 * Define the default level of output to be very little

 * This can be turned up by using apic=verbose for more

 * information and apic=debug for _lots_ of information.

 * apic_verbosity is defined in apic.c

 * Define the default level of output to be very little This can be turned

 * up by using apic=verbose for more information and apic=debug for _lots_

 * of information.  apic_verbosity is defined in apic.c

 */

#define apic_printk(v, s, a...) do {       \

#define apic_printk(v, s, a...)			\

do {						\

	if ((v) <= apic_verbosity)		\

		printk(s, ##a);			\

} while (0)



#define apic_pr_verbose(s, a...)	apic_printk(APIC_VERBOSE, KERN_INFO s, ##a)

#define apic_pr_debug(s, a...)		apic_printk(APIC_DEBUG, KERN_DEBUG s, ##a)

#define apic_pr_debug_cont(s, a...)	apic_printk(APIC_DEBUG, KERN_CONT s, ##a)

/* Unconditional debug prints for code which is guarded by apic_verbosity already */

#define apic_dbg(s, a...)		printk(KERN_DEBUG s, ##a)



#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86_32)

extern void x86_32_probe_apic(void);