]> git.proxmox.com Git - mirror_ubuntu-focal-kernel.git/commit
cxgb4: avoid collecting SGE_QBASE regs during traffic
authorRahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Sat, 27 Mar 2021 18:19:08 +0000 (23:49 +0530)
committerStefan Bader <stefan.bader@canonical.com>
Tue, 4 May 2021 14:08:50 +0000 (16:08 +0200)
commit194ec6d0905085492f0fa3d826d7008edff1f618
tree5c7dce0b348b61e73e0a552cb4551d32a436980e
parentcc6ef9117e125f2638430d6ab20a130982e93ed6
cxgb4: avoid collecting SGE_QBASE regs during traffic

BugLink: https://bugs.launchpad.net/bugs/1926489
[ Upstream commit 1bfb3dea965ff9f6226fd1709338f227363b6061 ]

Accessing SGE_QBASE_MAP[0-3] and SGE_QBASE_INDEX registers can lead
to SGE missing doorbells under heavy traffic. So, only collect them
when adapter is idle. Also update the regdump range to skip collecting
these registers.

Fixes: 80a95a80d358 ("cxgb4: collect SGE PF/VF queue map")
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
drivers/net/ethernet/chelsio/cxgb4/t4_hw.c