Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 40d6753e authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

x86: Convert set_atomicity_lock to raw_spinlock 



Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 942fa3b6

arch/x86/kernel/cpu/mtrr/generic.c

+3 −3
Original line number Diff line number Diff line
@@ -570,7 +570,7 @@ static unsigned long set_mtrr_state(void) 




static unsigned long cr4;

static DEFINE_SPINLOCK(set_atomicity_lock);

static DEFINE_RAW_SPINLOCK(set_atomicity_lock);



/*

 * Since we are disabling the cache don't allow any interrupts,
@@ -590,7 +590,7 @@ static void prepare_set(void) __acquires(set_atomicity_lock) 
	 * changes to the way the kernel boots

	 */



	spin_lock(&set_atomicity_lock);

	raw_spin_lock(&set_atomicity_lock);



	/* Enter the no-fill (CD=1, NW=0) cache mode and flush caches. */

	cr0 = read_cr0() | X86_CR0_CD;
@@ -627,7 +627,7 @@ static void post_set(void) __releases(set_atomicity_lock) 
	/* Restore value of CR4 */

	if (cpu_has_pge)

		write_cr4(cr4);

	spin_unlock(&set_atomicity_lock);

	raw_spin_unlock(&set_atomicity_lock);

}



static void generic_set_all(void)