diff options
| author | Nicholas Bellinger <nab@linux-iscsi.org> | 2016-01-23 12:05:05 +0300 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2016-03-11 08:48:14 +0300 |
| commit | 71e7ae8e1fb2102bb373e6507c3f6540ead999f0 (patch) | |
| tree | 18d10db1ceeaf616833b74704e0da3b237a447ed /drivers/usb/gadget/function/tcm.h | |
| parent | 5f27edad953cfde6339f17ce461f57bc7060dc4f (diff) | |
| download | linux-71e7ae8e1fb2102bb373e6507c3f6540ead999f0.tar.xz | |
usb-gadget/tcm: Conversion to percpu_ida tag pre-allocation
This patch converts usb-gadget target to use percpu_ida tag
pre-allocation for struct usbg_cmd descriptor, in order to
avoid fast-path struct usbg_cmd memory allocations.
Note by default this is currently hardcoded to 128.
Tested-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/usb/gadget/function/tcm.h')
| -rw-r--r-- | drivers/usb/gadget/function/tcm.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/tcm.h b/drivers/usb/gadget/function/tcm.h index b75c6f3e1980..a27e6e34db0b 100644 --- a/drivers/usb/gadget/function/tcm.h +++ b/drivers/usb/gadget/function/tcm.h @@ -23,6 +23,8 @@ enum { #define USB_G_ALT_INT_BBB 0 #define USB_G_ALT_INT_UAS 1 +#define USB_G_DEFAULT_SESSION_TAGS 128 + struct tcm_usbg_nexus { struct se_session *tvn_se_sess; }; |