diff options
| author | Jinjie Ruan <ruanjinjie@huawei.com> | 2024-09-11 17:44:45 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-10-10 12:00:23 +0200 |
| commit | 4c7d4c0a8ab719ebcfa4a60e36a7bc3676069d48 (patch) | |
| tree | 4e583690d947467782a30822ee4ebb25ee55679e | |
| parent | 9c763f95f3be4d6ad2c298fff3231587128a5534 (diff) | |
| download | linux-stable-4c7d4c0a8ab719ebcfa4a60e36a7bc3676069d48.tar.gz linux-stable-4c7d4c0a8ab719ebcfa4a60e36a7bc3676069d48.tar.bz2 linux-stable-4c7d4c0a8ab719ebcfa4a60e36a7bc3676069d48.zip | |
nfp: Use IRQF_NO_AUTOEN flag in request_irq()
[ Upstream commit daaba19d357f0900b303a530ced96c78086267ea ]
disable_irq() after request_irq() still has a time gap in which
interrupts can come. request_irq() with IRQF_NO_AUTOEN flag will
disable IRQ auto-enable when request IRQ.
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Link: https://patch.msgid.link/20240911094445.1922476-4-ruanjinjie@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 182ba0a8b095..6e0929af0f72 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -821,14 +821,13 @@ nfp_net_prepare_vector(struct nfp_net *nn, struct nfp_net_r_vector *r_vec, snprintf(r_vec->name, sizeof(r_vec->name), "%s-rxtx-%d", nfp_net_name(nn), idx); - err = request_irq(r_vec->irq_vector, r_vec->handler, 0, r_vec->name, - r_vec); + err = request_irq(r_vec->irq_vector, r_vec->handler, IRQF_NO_AUTOEN, + r_vec->name, r_vec); if (err) { nfp_net_napi_del(&nn->dp, r_vec); nn_err(nn, "Error requesting IRQ %d\n", r_vec->irq_vector); return err; } - disable_irq(r_vec->irq_vector); irq_set_affinity_hint(r_vec->irq_vector, &r_vec->affinity_mask); |