utland
CC: Lorenzo Pieralisi
CC: "Paul E. McKenney"
CC: Greg Kroah-Hartman
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CC: linux-i...@vge
_up/down a private interface for anything
but the cpu subsystem.
Reviewed-by: Juergen Gross
Signed-off-by: Qais Yousef
CC: Boris Ostrovsky
CC: Juergen Gross
CC: Stefano Stabellini
CC: xen-devel@lists.xenproject.org
CC: linux-ker...@vger.kernel.org
---
drivers/xen/cpu_hotplug.c | 2 +-
1 file
The new functions use device_{online,offline}() which are userspace
safe.
This is in preparation to move cpu_{up, down} kernel users to use
a safer interface that is not racy with userspace.
Suggested-by: "Paul E. McKenney"
Signed-off-by: Qais Yousef
CC: Thomas Gleixner
CC: "P
Hi Thomas
On 11/25/19 11:27, Qais Yousef wrote:
> Changes in v2:
> * Add 2 new patches that create smp_shutdown_nonboot_cpus() to be used
> in machine_shutdown() in ia64, arm and arm64
> * Use proper kernel-doc for the newly introduced functions
> * Ren
_up/down a private interface for anything
but the cpu subsystem.
Reviewed-by: Juergen Gross
Signed-off-by: Qais Yousef
CC: Boris Ostrovsky
CC: Juergen Gross
CC: Stefano Stabellini
CC: xen-devel@lists.xenproject.org
CC: linux-ker...@vger.kernel.org
---
Juergen, there's a new add_cpu() which you
g
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CC: xen-devel@lists.xenproject.org
Qais Yousef (15):
cpu: Add new {add,remove}_cpu() functions
smp: Create a new function to shutdown nonboot
The new functions use device_{online,offline}() which are userspace
safe.
This is in preparation to move cpu_{up, down} kernel users to use
a safer interface that is not racy with userspace.
Suggested-by: "Paul E. McKenney"
Signed-off-by: Qais Yousef
CC: Thomas Gleixner
CC: "P
_up/down a private interface for anything
but the cpu subsystem.
Signed-off-by: Qais Yousef
CC: Boris Ostrovsky
CC: Juergen Gross
CC: Stefano Stabellini
CC: xen-devel@lists.xenproject.org
CC: linux-ker...@vger.kernel.org
---
drivers/xen/cpu_hotplug.c | 2 +-
1 file changed, 1 insertion(+), 1 deletio
uermann
CC: Thomas Gleixner
CC: Tony Luck
CC: Will Deacon
CC: Zhenzhong Duan
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CC: x...@kernel
Hi Thomas
On 10/30/19 15:38, Qais Yousef wrote:
> Using cpu_up/down directly to bring cpus online/offline loses synchronization
> with sysfs and could suffer from a race similar to what is described in
> commit a6717c01ddc2 ("powerpc/rtas: use device model APIs and serializatio
_up/down a private interface for anything
but the cpu subsystem.
Signed-off-by: Qais Yousef
CC: Boris Ostrovsky
CC: Juergen Gross
CC: Stefano Stabellini
CC: xen-devel@lists.xenproject.org
CC: linux-ker...@vger.kernel.org
---
drivers/xen/cpu_hotplug.c | 2 +-
1 file changed, 1 insertion(+), 1 deletio
inux-arm-ker...@lists.infradead.org
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CC: sparcli...@vger.kernel.org
CC: x...@kernel.org
CC: xen-devel@lists.xenproject.org
Qais Yousef (14):
smp: create a new function to shutd
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