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sched/rt, xen: Use CONFIG_PREEMPTION

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CONFIG_PREEMPTION is selected by CONFIG_PREEMPT and by CONFIG_PREEMPT_RT.
Both PREEMPT and PREEMPT_RT require the same functionality which today
depends on CONFIG_PREEMPT.

Switch the preempt anand xen-ops code over to use CONFIG_PREEMPTION.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: xen-devel@lists.xenproject.org
Link: https://lore.kernel.org/r/20191015191821.11479-23-bigeasy@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Thomas Gleixner 2019-10-15 21:18:09 +02:00 committed by Ingo Molnar
parent 2da2b32fd9
commit d4a3dcbc47
2 changed files with 4 additions and 4 deletions
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4
drivers/xen/preempt.c
View File

@ -8,7 +8,7 @@
#include <linux/sched.h>
#include <xen/xen-ops.h>
#ifndef CONFIG_PREEMPT
#ifndef CONFIG_PREEMPTION
/*
* Some hypercalls issued by the toolstack can take many 10s of
@ -37,4 +37,4 @@ asmlinkage __visible void xen_maybe_preempt_hcall(void)
__this_cpu_write(xen_in_preemptible_hcall, true);
}
}
#endif /* CONFIG_PREEMPT */
#endif /* CONFIG_PREEMPTION */

4
include/xen/xen-ops.h
View File

@ -215,7 +215,7 @@ bool xen_running_on_version_or_later(unsigned int major, unsigned int minor);
void xen_efi_runtime_setup(void);
#ifdef CONFIG_PREEMPT
#ifdef CONFIG_PREEMPTION
static inline void xen_preemptible_hcall_begin(void)
{
@ -239,6 +239,6 @@ static inline void xen_preemptible_hcall_end(void)
__this_cpu_write(xen_in_preemptible_hcall, false);
}
#endif /* CONFIG_PREEMPT */
#endif /* CONFIG_PREEMPTION */
#endif /* INCLUDE_XEN_OPS_H */