Commit 9de3e4bf authored by Heiko Carstens's avatar Heiko Carstens
Browse files

s390: Add ARCH_HAS_PREEMPT_LAZY support 



Just add the required TIF bit for ARCH_HAS_PREEMPT_LAZY support.

Shuffle TIF bits to get TIF_NEED_RESCHED_LAZY next to TIF_NEED_RESCHED.

Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
parent 546d7bd4

arch/s390/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -87,6 +87,7 @@ config S390 
	select ARCH_HAS_MEMBARRIER_SYNC_CORE

	select ARCH_HAS_MEM_ENCRYPT

	select ARCH_HAS_NMI_SAFE_THIS_CPU_OPS

	select ARCH_HAS_PREEMPT_LAZY

	select ARCH_HAS_PTE_SPECIAL

	select ARCH_HAS_SCALED_CPUTIME

	select ARCH_HAS_SET_DIRECT_MAP

arch/s390/include/asm/thread_info.h

+5 −3
Original line number Diff line number Diff line
@@ -64,11 +64,12 @@ void arch_setup_new_exec(void); 
#define TIF_NOTIFY_RESUME	0	/* callback before returning to user */

#define TIF_SIGPENDING		1	/* signal pending */

#define TIF_NEED_RESCHED	2	/* rescheduling necessary */

#define TIF_UPROBE		3	/* breakpointed or single-stepping */

#define TIF_GUARDED_STORAGE	4	/* load guarded storage control block */

#define TIF_NEED_RESCHED_LAZY	3	/* lazy rescheduling needed */

#define TIF_UPROBE		4	/* breakpointed or single-stepping */

#define TIF_PATCH_PENDING	5	/* pending live patching update */

#define TIF_PGSTE		6	/* New mm's will use 4K page tables */

#define TIF_NOTIFY_SIGNAL	7	/* signal notifications exist */

#define TIF_GUARDED_STORAGE	8	/* load guarded storage control block */

#define TIF_ISOLATE_BP_GUEST	9	/* Run KVM guests with isolated BP */

#define TIF_PER_TRAP		10	/* Need to handle PER trap on exit to usermode */

#define TIF_31BIT		16	/* 32bit process */
@@ -85,11 +86,12 @@ void arch_setup_new_exec(void); 
#define _TIF_NOTIFY_RESUME	BIT(TIF_NOTIFY_RESUME)

#define _TIF_SIGPENDING		BIT(TIF_SIGPENDING)

#define _TIF_NEED_RESCHED	BIT(TIF_NEED_RESCHED)

#define _TIF_NEED_RESCHED_LAZY	BIT(TIF_NEED_RESCHED_LAZY)

#define _TIF_UPROBE		BIT(TIF_UPROBE)

#define _TIF_GUARDED_STORAGE	BIT(TIF_GUARDED_STORAGE)

#define _TIF_PATCH_PENDING	BIT(TIF_PATCH_PENDING)

#define _TIF_PGSTE		BIT(TIF_PGSTE)

#define _TIF_NOTIFY_SIGNAL	BIT(TIF_NOTIFY_SIGNAL)

#define _TIF_GUARDED_STORAGE	BIT(TIF_GUARDED_STORAGE)

#define _TIF_ISOLATE_BP_GUEST	BIT(TIF_ISOLATE_BP_GUEST)

#define _TIF_PER_TRAP		BIT(TIF_PER_TRAP)

#define _TIF_31BIT		BIT(TIF_31BIT)