Displaying 7 results from an estimated 7 matches for "lock_downgrad".
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lock_downgrade
2018 Aug 03
0
[net-next, v6, 6/7] net-sysfs: Add interface for Rx queue(s) map per Tx queue
...460
> [ 7.275935] ? virtqueue_add_sgs+0x9e2/0xde0
> [ 7.275953] ? virtscsi_add_cmd+0x454/0x780
> [ 7.275964] ? find_held_lock+0x32/0x1c0
> [ 7.275973] ? deref_stack_reg+0xad/0xe0
> [ 7.275979] ? __read_once_size_nocheck.constprop.6+0x10/0x10
> [ 7.275985] ? lock_downgrade+0x5e0/0x5e0
> [ 7.275993] ? memset+0x1f/0x40
> [ 7.276008] ? nla_parse+0x33/0x290
> [ 7.276016] rtnl_newlink+0x954/0x1120
> [ 7.276030] ? rtnl_link_unregister+0x250/0x250
> [ 7.276044] ? is_bpf_text_address+0x5/0x60
> [ 7.276054] ? lock_downgrade+0x5e0/0x5...
2020 Mar 19
2
[PATCH 3/4] mm: simplify device private page handling in hmm_range_fault
...138.058267] __xa_erase+0x96/0x110
[ 138.061673] ? xas_store+0xa60/0xa60
[ 138.065267] xa_erase+0x19/0x30
[ 138.068418] dmirror_interval_invalidate+0x7d/0xc0 [test_hmm]
[ 138.074174] __mmu_notifier_release+0x1a6/0x370
[ 138.078714] ? mmu_notifier_unregister+0x1e0/0x1e0
[ 138.083520] ? lock_downgrade+0x380/0x380
[ 138.087535] ? uprobe_clear_state+0x2e/0x150
[ 138.091823] exit_mmap+0x24d/0x2a0
[ 138.095229] ? do_munmap+0x10/0x10
[ 138.098635] ? __x64_sys_io_setup+0x200/0x200
[ 138.102995] ? __mutex_unlock_slowpath+0xb4/0x3f0
[ 138.107704] ? wait_for_completion+0x250/0x250
[ 138.112...
2019 Jun 14
0
[PATCH v2] drm/nouveau/dmem: missing mutex_lock in error path
...2059] dump_stack+0x7c/0xc0
[ 1294.955469] ? nouveau_dmem_migrate_alloc_and_copy+0x79f/0xbf0 [nouveau]
[ 1294.962213] print_unlock_imbalance_bug.cold.52+0xca/0xcf
[ 1294.967641] lock_release+0x306/0x380
[ 1294.971383] ? nouveau_dmem_migrate_alloc_and_copy+0x79f/0xbf0 [nouveau]
[ 1294.978089] ? lock_downgrade+0x2d0/0x2d0
[ 1294.982121] ? find_held_lock+0xac/0xd0
[ 1294.985979] __mutex_unlock_slowpath+0x8f/0x3f0
[ 1294.990540] ? wait_for_completion+0x230/0x230
[ 1294.995002] ? rwlock_bug.part.2+0x60/0x60
[ 1294.999197] nouveau_dmem_migrate_alloc_and_copy+0x79f/0xbf0 [nouveau]
[ 1295.005751] ? page...
2019 Jul 26
0
[PATCH AUTOSEL 5.2 85/85] drm/nouveau/dmem: missing mutex_lock in error path
...2059] dump_stack+0x7c/0xc0
[ 1294.955469] ? nouveau_dmem_migrate_alloc_and_copy+0x79f/0xbf0 [nouveau]
[ 1294.962213] print_unlock_imbalance_bug.cold.52+0xca/0xcf
[ 1294.967641] lock_release+0x306/0x380
[ 1294.971383] ? nouveau_dmem_migrate_alloc_and_copy+0x79f/0xbf0 [nouveau]
[ 1294.978089] ? lock_downgrade+0x2d0/0x2d0
[ 1294.982121] ? find_held_lock+0xac/0xd0
[ 1294.985979] __mutex_unlock_slowpath+0x8f/0x3f0
[ 1294.990540] ? wait_for_completion+0x230/0x230
[ 1294.995002] ? rwlock_bug.part.2+0x60/0x60
[ 1294.999197] nouveau_dmem_migrate_alloc_and_copy+0x79f/0xbf0 [nouveau]
[ 1295.005751] ? page...
2020 Mar 17
4
[PATCH 3/4] mm: simplify device private page handling in hmm_range_fault
On 3/17/20 5:59 AM, Christoph Hellwig wrote:
> On Tue, Mar 17, 2020 at 09:47:55AM -0300, Jason Gunthorpe wrote:
>> I've been using v7 of Ralph's tester and it is working well - it has
>> DEVICE_PRIVATE support so I think it can test this flow too. Ralph are
>> you able?
>>
>> This hunk seems trivial enough to me, can we include it now?
>
> I can send
2019 Jun 14
1
[PATCH] drm/nouveau/dmem: missing mutex_lock in error path
...2059] dump_stack+0x7c/0xc0
[ 1294.955469] ? nouveau_dmem_migrate_alloc_and_copy+0x79f/0xbf0 [nouveau]
[ 1294.962213] print_unlock_imbalance_bug.cold.52+0xca/0xcf
[ 1294.967641] lock_release+0x306/0x380
[ 1294.971383] ? nouveau_dmem_migrate_alloc_and_copy+0x79f/0xbf0 [nouveau]
[ 1294.978089] ? lock_downgrade+0x2d0/0x2d0
[ 1294.982121] ? find_held_lock+0xac/0xd0
[ 1294.985979] __mutex_unlock_slowpath+0x8f/0x3f0
[ 1294.990540] ? wait_for_completion+0x230/0x230
[ 1294.995002] ? rwlock_bug.part.2+0x60/0x60
[ 1294.999197] nouveau_dmem_migrate_alloc_and_copy+0x79f/0xbf0 [nouveau]
[ 1295.005751] ? page...
2019 Jun 14
3
[PATCH] drm/nouveau/dmem: missing mutex_lock in error path
In nouveau_dmem_pages_alloc(), the drm->dmem->mutex is unlocked before
calling nouveau_dmem_chunk_alloc().
Reacquire the lock before continuing to the next page.
Signed-off-by: Ralph Campbell <rcampbell at nvidia.com>
---
I found this while testing Jason Gunthorpe's hmm tree but this is
independant of those changes. I guess it could go through
David Airlie's tree for nouveau