AuxXxilium/linux_dsm_epyc7002
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34816ad98e
linux_dsm_epyc7002/drivers
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Sean Hefty 34816ad98e [IB] Fix MAD layer DMA mappings to avoid touching data buffer once mapped 
The MAD layer was violating the DMA API by touching data buffers used
for sends after the DMA mapping was done.  This causes problems on
non-cache-coherent architectures, because the device doing DMA won't
see updates to the payload buffers that exist only in the CPU cache.

Fix this by having all MAD consumers use ib_create_send_mad() to
allocate their send buffers, and moving the DMA mapping into the MAD
layer so it can be done just before calling send (and after any
modifications of the send buffer by the MAD layer).

Tested on a non-cache-coherent PowerPC 440SPe system.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2005-10-25 10:51:39 -07:00
..
acorn [ARM] Fix pcf8583 to build 2005-09-20 21:01:13 +01:00
acpi [PATCH] `unaligned access' in acpi get_root_bridge_busnr() 2005-10-19 23:04:31 -07:00
atm [PATCH] gfp flags annotations - part 1 2005-10-08 15:00:57 -07:00
base [PATCH] gfp flags annotations - part 1 2005-10-08 15:00:57 -07:00
block [PATCH] gfp flags annotations - part 1 2005-10-08 15:00:57 -07:00
bluetooth [PATCH] gfp flags annotations - part 1 2005-10-08 15:00:57 -07:00
cdrom [PATCH] drivers/cdrom: fix-up schedule_timeout() usage 2005-09-10 10:06:38 -07:00
char [PATCH] drm: another mga bug 2005-10-21 12:18:09 -07:00
connector [PATCH] gfp flags annotations - part 1 2005-10-08 15:00:57 -07:00
cpufreq [CPUFREQ] Bugfix: Call driver exit in cpufreq_add_dev error path 2005-08-31 22:21:28 -07:00
crypto [CRYPTO] Update IV correctly for Padlock CBC encryption 2005-07-06 13:54:09 -07:00
dio
eisa
fc4 [SCSI] fc4 warning fix 2005-07-30 09:47:53 -05:00
firmware [PATCH] dell_rbu: changes in packet update mechanism 2005-10-11 09:46:53 -07:00
hwmon [PATCH] hdaps: small update. 2005-09-22 22:17:34 -07:00
i2c [PATCH] ppc64: SMU driver update & i2c support 2005-09-22 22:17:35 -07:00
ide [PATCH] ide: Workaround PM problem 2005-10-10 08:40:47 -07:00
ieee1394 [PATCH] raw1394: fix locking in the presence of SMP and interrupts 2005-10-19 23:04:30 -07:00
infiniband [IB] Fix MAD layer DMA mappings to avoid touching data buffer once mapped 2005-10-25 10:51:39 -07:00
input [PATCH] uniput - fix crash on SMP 2005-10-17 17:03:57 -07:00
isdn [PATCH] proc_mkdir() should be used to create procfs directories 2005-09-29 08:46:26 -07:00
macintosh [PATCH] Fix ppc64 smu driver locking 2005-09-29 15:42:58 -07:00
mca
md [PATCH] Three one-liners in md.c 2005-10-19 23:04:30 -07:00
media [PATCH] Kconfig: saa7134-dvb should not select cx22702 2005-10-23 16:38:39 -07:00
message [PATCH] mptsas: fix phy identifiers 2005-10-21 12:17:43 -07:00
mfd [ARM] 2956/1: fix the "Fix gcc4 build errors in ucb1x00-core.c" 2005-10-10 18:22:17 +01:00
misc [PATCH] hdpu_cpustate.c: misc_register() can fail 2005-09-10 10:06:25 -07:00
mmc [MMC] Clean up wbsd detection handling 2005-09-12 20:36:19 +01:00
mtd Merge master.kernel.org:/home/rmk/linux-2.6-arm 2005-09-30 08:39:56 -07:00
net [PATCH] orinoco: limit message rate 2005-10-19 23:04:30 -07:00
nubus
oprofile [PATCH] clean up inline static vs static inline 2005-07-27 16:26:20 -07:00
parisc [IPV4]: Replace __in_dev_get with __in_dev_get_rcu/rtnl 2005-10-03 14:35:55 -07:00
parport [PATCH] parport: fix-up schedule_timeout() usage 2005-09-10 10:06:38 -07:00
pci cardbus: limit IO windows to 256 bytes 2005-10-23 16:31:16 -07:00
pcmcia [PATCH] zaurus: fix soc_common.c 2005-10-14 17:10:12 -07:00
pnp Merge linux-2.6 with linux-acpi-2.6 2005-09-08 01:45:47 -04:00
s390 [PATCH] s390: ccw device reconnect oops. 2005-10-11 09:46:53 -07:00
sbus [PATCH] Remove unnecessary check_region references in comments 2005-09-13 08:22:29 -07:00
scsi Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-for-linus-2.6 2005-10-23 17:13:14 -07:00
serial [SERIAL] Add SupraExpress 56i support 2005-10-15 10:43:35 +01:00
sh
sn
tc [PATCH] Remove unnecessary check_region references in comments 2005-09-13 08:22:29 -07:00
telephony [PATCH] telephony: fix-up schedule_timeout() usage 2005-09-10 10:06:39 -07:00
usb [PATCH] USB: fix bug in handling of highspeed usb HID devices 2005-10-17 14:45:49 -07:00
video [PATCH] vesafb: Fix display corruption on display blank 2005-10-18 08:43:29 -07:00
w1 [PATCH] Dallas's 1-wire bus compile error 2005-10-14 17:10:13 -07:00
zorro
Kconfig [NET]: Add netlink connector. 2005-09-11 19:15:07 -07:00
Makefile [NET]: Add netlink connector. 2005-09-11 19:15:07 -07:00