Re: [PATCH v5 1/7] powerpc: Add TIDR CPU feature for POWER9

silva.org> --- Reviewed-by: Frederic Barrat <fbar...@linux.vnet.ibm.com> arch/powerpc/include/asm/cputable.h | 3 ++- arch/powerpc/kernel/dt_cpu_ftrs.c | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/as

Re: [PATCH v5 7/7] ocxl: Document new OCXL IOCTLs

Le 11/05/2018 à 08:13, Alastair D'Silva a écrit : From: Alastair D'Silva <alast...@d-silva.org> Signed-off-by: Alastair D'Silva <alast...@d-silva.org> --- Acked-by: Frederic Barrat <fbar...@linux.vnet.ibm.com> Documentation/accelerators/ocxl.rst | 11 +++

Re: [PATCH v5 2/7] powerpc: Use TIDR CPU feature to control TIDR allocation

Le 11/05/2018 à 08:12, Alastair D'Silva a écrit : From: Alastair D'Silva <alast...@d-silva.org> Switch the use of TIDR on it's CPU feature, rather than assuming it is available based on architecture. Signed-off-by: Alastair D'Silva <alast...@d-silva.org> --- Reviewed-by: Fre

Re: [PATCH v5 5/7] ocxl: Expose the thread_id needed for wait on POWER9

Le 11/05/2018 à 08:13, Alastair D'Silva a écrit : From: Alastair D'Silva In order to successfully issue as_notify, an AFU needs to know the TID to notify, which in turn means that this information should be available in userspace so it can be communicated to the AFU.

Re: [PATCH v5 5/7] ocxl: Expose the thread_id needed for wait on POWER9

Le 11/05/2018 à 12:06, Alastair D'Silva a écrit : -Original Message- From: Frederic Barrat <fbar...@linux.ibm.com> Sent: Friday, 11 May 2018 7:25 PM To: Alastair D'Silva <alast...@au1.ibm.com>; linuxppc-...@lists.ozlabs.org Cc: linux-ker...@vger.kernel.org; linux-doc@vge

Re: [PATCH v5 4/7] ocxl: Rename pnv_ocxl_spa_remove_pe to clarify it's action

Le 11/05/2018 à 08:13, Alastair D'Silva a écrit : From: Alastair D'Silva <alast...@d-silva.org> The function removes the process element from NPU cache. Signed-off-by: Alastair D'Silva <alast...@d-silva.org> --- Acked-by: Frederic Barrat <fbar...@linux.vnet.ibm.com>

Re: [PATCH v5 3/7] powerpc: use task_pid_nr() for TID allocation

astair D'Silva <alast...@d-silva.org> --- Thanks for adding the comment. It assumes the reader is aware that the TIDR value is only used for the notification using the 'wait' instruction, but that's likely to be the case. Reviewed-by: Frederic Barrat <fbar...@linux.vnet.ibm.com> ar

Re: [PATCH v5 6/7] ocxl: Add an IOCTL so userspace knows what OCXL features are available

last...@d-silva.org> --- Acked-by: Frederic Barrat <fbar...@linux.vnet.ibm.com> drivers/misc/ocxl/file.c | 25 + include/uapi/misc/ocxl.h | 6 ++ 2 files changed, 31 insertions(+) diff --git a/drivers/misc/ocxl/file.c b/drivers/misc/ocxl/file.c

Re: [PATCH v2 2/7] powerpc: Use TIDR CPU feature to control TIDR allocation

Le 18/04/2018 à 03:08, Alastair D'Silva a écrit : From: Alastair D'Silva <alast...@d-silva.org> Switch the use of TIDR on it's CPU feature, rather than assuming it is available based on architecture. Signed-off-by: Alastair D'Silva <alast...@d-silva.org> --- Reviewed-by: Fre

Re: [PATCH v2 3/7] powerpc: use task_pid_nr() for TID allocation

omment: Reviewed-by: Frederic Barrat <fbar...@linux.vnet.ibm.com> Fred Signed-off-by: Alastair D'Silva <alast...@d-silva.org> --- arch/powerpc/include/asm/switch_to.h | 1 - arch/powerpc/kernel/process.c| 97 +--- 2 files changed,

Re: [PATCH v2 4/7] ocxl: Rename pnv_ocxl_spa_remove_pe to clarify it's action

Le 18/04/2018 à 03:08, Alastair D'Silva a écrit : From: Alastair D'Silva <alast...@d-silva.org> The function removes the process element from NPU cache. Signed-off-by: Alastair D'Silva <alast...@d-silva.org> --- Acked-by: Frederic Barrat <fbar...@linux.vnet.ibm.com>

Re: [PATCH v2 1/7] powerpc: Add TIDR CPU feature for Power9

Le 18/04/2018 à 03:08, Alastair D'Silva a écrit : From: Alastair D'Silva This patch adds a CPU feature bit to show whether the CPU has the TIDR register available, enabling as_notify/wait in userspace. Signed-off-by: Alastair D'Silva ---

Re: [PATCH v2 5/7] ocxl: Expose the thread_id needed for wait on p9

Le 18/04/2018 à 03:08, Alastair D'Silva a écrit : From: Alastair D'Silva In order to successfully issue as_notify, an AFU needs to know the TID to notify, which in turn means that this information should be available in userspace so it can be communicated to the AFU.

Re: [PATCH v2 7/7] ocxl: Document new OCXL IOCTLs

Le 18/04/2018 à 03:08, Alastair D'Silva a écrit : From: Alastair D'Silva <alast...@d-silva.org> Signed-off-by: Alastair D'Silva <alast...@d-silva.org> --- Acked-by: Frederic Barrat <fbar...@linux.vnet.ibm.com> Fred Documentation/accelerators/ocxl.rst | 11 ++

Re: [PATCH v2 6/7] ocxl: Add an IOCTL so userspace knows what CPU features are available

nd the PASID for the current context. - Intended? Other than that, Acked-by: Frederic Barrat <fbar...@linux.vnet.ibm.com> mmap diff --git a/drivers/misc/ocxl/file.c b/drivers/misc/ocxl/file.c index eb409a469f21..33ae46ce0a8a 100644 --- a/drivers/misc/ocxl/file.c +++ b/driver