diff options
| author | Sven Auhagen <Sven.Auhagen@voleatech.de> | 2020-07-21 06:37:59 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-07-31 18:08:59 +1000 |
| commit | c6720415907f21b9c53efbe679b96c3cc9d06404 (patch) | |
| tree | 94d7237eb575be5f5c71409e8ff4b9150edac2b9 | |
| parent | 6914dd53eb7af7cbc66edf7992d600b1e952c40d (diff) | |
| download | linux-c6720415907f21b9c53efbe679b96c3cc9d06404.tar.bz2 | |
crypto: inside-secure - irq balance
Balance the irqs of the inside secure driver over all
available cpus.
Currently all interrupts are handled by the first CPU.
From my testing with IPSec AES-GCM 256
on my MCbin with 4 Cores I get a 50% speed increase:
Before the patch: 99.73 Kpps
With the patch: 151.25 Kpps
Signed-off-by: Sven Auhagen <sven.auhagen@voleatech.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel.c | 13 | ||||
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel.h | 3 |
2 files changed, 14 insertions, 2 deletions
diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c index 2cb53fbae841..fa7398e68858 100644 --- a/drivers/crypto/inside-secure/safexcel.c +++ b/drivers/crypto/inside-secure/safexcel.c @@ -1135,11 +1135,12 @@ static irqreturn_t safexcel_irq_ring_thread(int irq, void *data) static int safexcel_request_ring_irq(void *pdev, int irqid, int is_pci_dev, + int ring_id, irq_handler_t handler, irq_handler_t threaded_handler, struct safexcel_ring_irq_data *ring_irq_priv) { - int ret, irq; + int ret, irq, cpu; struct device *dev; if (IS_ENABLED(CONFIG_PCI) && is_pci_dev) { @@ -1177,6 +1178,10 @@ static int safexcel_request_ring_irq(void *pdev, int irqid, return ret; } + /* Set affinity */ + cpu = cpumask_local_spread(ring_id, NUMA_NO_NODE); + irq_set_affinity_hint(irq, get_cpu_mask(cpu)); + return irq; } @@ -1611,6 +1616,7 @@ static int safexcel_probe_generic(void *pdev, irq = safexcel_request_ring_irq(pdev, EIP197_IRQ_NUMBER(i, is_pci_dev), is_pci_dev, + i, safexcel_irq_ring, safexcel_irq_ring_thread, ring_irq); @@ -1619,6 +1625,7 @@ static int safexcel_probe_generic(void *pdev, return irq; } + priv->ring[i].irq = irq; priv->ring[i].work_data.priv = priv; priv->ring[i].work_data.ring = i; INIT_WORK(&priv->ring[i].work_data.work, @@ -1756,8 +1763,10 @@ static int safexcel_remove(struct platform_device *pdev) clk_disable_unprepare(priv->reg_clk); clk_disable_unprepare(priv->clk); - for (i = 0; i < priv->config.rings; i++) + for (i = 0; i < priv->config.rings; i++) { + irq_set_affinity_hint(priv->ring[i].irq, NULL); destroy_workqueue(priv->ring[i].workqueue); + } return 0; } diff --git a/drivers/crypto/inside-secure/safexcel.h b/drivers/crypto/inside-secure/safexcel.h index 94016c505abb..7c5fe382d272 100644 --- a/drivers/crypto/inside-secure/safexcel.h +++ b/drivers/crypto/inside-secure/safexcel.h @@ -707,6 +707,9 @@ struct safexcel_ring { */ struct crypto_async_request *req; struct crypto_async_request *backlog; + + /* irq of this ring */ + int irq; }; /* EIP integration context flags */ |