Commit 2f6f726b authored by K Prateek Nayak's avatar K Prateek Nayak Committed by Peter Zijlstra
Browse files

x86/itmt: Convert "sysctl_sched_itmt_enabled" to boolean 



In preparation to move "sysctl_sched_itmt_enabled" to debugfs, convert
the unsigned int to bool since debugfs readily exposes boolean fops
primitives (debugfs_read_file_bool, debugfs_write_file_bool) which can
streamline the conversion.

Since the current ctl_table initializes extra1 and extra2 to SYSCTL_ZERO
and SYSCTL_ONE respectively, the value of "sysctl_sched_itmt_enabled"
can only be 0 or 1 and this datatype conversion should not cause any
functional changes.

Signed-off-by: default avatarK Prateek Nayak <kprateek.nayak@amd.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: default avatarTim Chen <tim.c.chen@linux.intel.com>
Link: https://lore.kernel.org/r/20241223043407.1611-2-kprateek.nayak@amd.com
parent 873199d2

arch/x86/include/asm/topology.h

+2 −2
Original line number Diff line number Diff line
@@ -250,7 +250,7 @@ extern bool x86_topology_update; 
#include <asm/percpu.h>



DECLARE_PER_CPU_READ_MOSTLY(int, sched_core_priority);

extern unsigned int __read_mostly sysctl_sched_itmt_enabled;

extern bool __read_mostly sysctl_sched_itmt_enabled;



/* Interface to set priority of a cpu */

void sched_set_itmt_core_prio(int prio, int core_cpu);
@@ -263,7 +263,7 @@ void sched_clear_itmt_support(void); 


#else /* CONFIG_SCHED_MC_PRIO */



#define sysctl_sched_itmt_enabled	0

#define sysctl_sched_itmt_enabled	false

static inline void sched_set_itmt_core_prio(int prio, int core_cpu)

{

}

arch/x86/kernel/itmt.c

+1 −1
Original line number Diff line number Diff line
@@ -36,7 +36,7 @@ static bool __read_mostly sched_itmt_capable; 
 *

 * It can be set via /proc/sys/kernel/sched_itmt_enabled

 */

unsigned int __read_mostly sysctl_sched_itmt_enabled;

bool __read_mostly sysctl_sched_itmt_enabled;



static int sched_itmt_update_handler(const struct ctl_table *table, int write,

				     void *buffer, size_t *lenp, loff_t *ppos)