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authorJuergen Gross <jgross@suse.com>2016-08-29 08:48:43 +0200
committerIngo Molnar <mingo@kernel.org>2016-09-05 13:52:38 +0200
commit47ae4b05d0fa2f2a998ebaf34d2dcbffca56a9db (patch)
treee359194cc939bb21956a411bdd7453ba630c1606 /kernel/up.c
parentxen: Sync xen header (diff)
downloadlinux-47ae4b05d0fa2f2a998ebaf34d2dcbffca56a9db.tar.xz
linux-47ae4b05d0fa2f2a998ebaf34d2dcbffca56a9db.zip
virt, sched: Add generic vCPU pinning support
Add generic virtualization support for pinning the current vCPU to a specified physical CPU. As this operation isn't performance critical (a very limited set of operations like BIOS calls and SMIs is expected to need this) just add a hypervisor specific indirection. Signed-off-by: Juergen Gross <jgross@suse.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Douglas_Warzecha@dell.com Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: akataria@vmware.com Cc: boris.ostrovsky@oracle.com Cc: chrisw@sous-sol.org Cc: david.vrabel@citrix.com Cc: hpa@zytor.com Cc: jdelvare@suse.com Cc: jeremy@goop.org Cc: linux@roeck-us.net Cc: pali.rohar@gmail.com Cc: rusty@rustcorp.com.au Cc: virtualization@lists.linux-foundation.org Cc: xen-devel@lists.xenproject.org Link: http://lkml.kernel.org/r/1472453327-19050-3-git-send-email-jgross@suse.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/up.c')
-rw-r--r--kernel/up.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/up.c b/kernel/up.c
index 1760bf3d1463..3ccee2bd13ba 100644
--- a/kernel/up.c
+++ b/kernel/up.c
@@ -6,6 +6,7 @@
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/smp.h>
+#include <linux/hypervisor.h>
int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
int wait)