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author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-08-30 22:57:10 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-08-30 22:57:10 +0300 |
commit | 44a7d4441181d0f2d622dc9bb512d7f5ca13f768 (patch) | |
tree | d7315b0896d47ef9e1d9ef3ebfbcb4b6f0a96d10 /kernel | |
parent | 4ca4256453effb885c1688633676682529593f82 (diff) | |
parent | 6ae51ffe5e768d9e25a7f4298e2e7a058472bcc3 (diff) | |
download | linux-44a7d4441181d0f2d622dc9bb512d7f5ca13f768.tar.xz |
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"Algorithms:
- Add AES-NI/AVX/x86_64 implementation of SM4.
Drivers:
- Add Arm SMCCC TRNG based driver"
[ And obviously a lot of random fixes and updates - Linus]
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (84 commits)
crypto: sha512 - remove imaginary and mystifying clearing of variables
crypto: aesni - xts_crypt() return if walk.nbytes is 0
padata: Remove repeated verbose license text
crypto: ccp - Add support for new CCP/PSP device ID
crypto: x86/sm4 - add AES-NI/AVX2/x86_64 implementation
crypto: x86/sm4 - export reusable AESNI/AVX functions
crypto: rmd320 - remove rmd320 in Makefile
crypto: skcipher - in_irq() cleanup
crypto: hisilicon - check _PS0 and _PR0 method
crypto: hisilicon - change parameter passing of debugfs function
crypto: hisilicon - support runtime PM for accelerator device
crypto: hisilicon - add runtime PM ops
crypto: hisilicon - using 'debugfs_create_file' instead of 'debugfs_create_regset32'
crypto: tcrypt - add GCM/CCM mode test for SM4 algorithm
crypto: testmgr - Add GCM/CCM mode test of SM4 algorithm
crypto: tcrypt - Fix missing return value check
crypto: hisilicon/sec - modify the hardware endian configuration
crypto: hisilicon/sec - fix the abnormal exiting process
crypto: qat - store vf.compatible flag
crypto: qat - do not export adf_iov_putmsg()
...
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/padata.c | 35 |
1 files changed, 11 insertions, 24 deletions
diff --git a/kernel/padata.c b/kernel/padata.c index d4d3ba6e1728..18d3a5c699d8 100644 --- a/kernel/padata.c +++ b/kernel/padata.c @@ -9,19 +9,6 @@ * * Copyright (c) 2020 Oracle and/or its affiliates. * Author: Daniel Jordan <daniel.m.jordan@oracle.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. */ #include <linux/completion.h> @@ -211,7 +198,7 @@ int padata_do_parallel(struct padata_shell *ps, if ((pinst->flags & PADATA_RESET)) goto out; - atomic_inc(&pd->refcnt); + refcount_inc(&pd->refcnt); padata->pd = pd; padata->cb_cpu = *cb_cpu; @@ -383,7 +370,7 @@ static void padata_serial_worker(struct work_struct *serial_work) } local_bh_enable(); - if (atomic_sub_and_test(cnt, &pd->refcnt)) + if (refcount_sub_and_test(cnt, &pd->refcnt)) padata_free_pd(pd); } @@ -593,7 +580,7 @@ static struct parallel_data *padata_alloc_pd(struct padata_shell *ps) padata_init_reorder_list(pd); padata_init_squeues(pd); pd->seq_nr = -1; - atomic_set(&pd->refcnt, 1); + refcount_set(&pd->refcnt, 1); spin_lock_init(&pd->lock); pd->cpu = cpumask_first(pd->cpumask.pcpu); INIT_WORK(&pd->reorder_work, invoke_padata_reorder); @@ -667,7 +654,7 @@ static int padata_replace(struct padata_instance *pinst) synchronize_rcu(); list_for_each_entry_continue_reverse(ps, &pinst->pslist, list) - if (atomic_dec_and_test(&ps->opd->refcnt)) + if (refcount_dec_and_test(&ps->opd->refcnt)) padata_free_pd(ps->opd); pinst->flags &= ~PADATA_RESET; @@ -733,7 +720,7 @@ int padata_set_cpumask(struct padata_instance *pinst, int cpumask_type, struct cpumask *serial_mask, *parallel_mask; int err = -EINVAL; - get_online_cpus(); + cpus_read_lock(); mutex_lock(&pinst->lock); switch (cpumask_type) { @@ -753,7 +740,7 @@ int padata_set_cpumask(struct padata_instance *pinst, int cpumask_type, out: mutex_unlock(&pinst->lock); - put_online_cpus(); + cpus_read_unlock(); return err; } @@ -992,7 +979,7 @@ struct padata_instance *padata_alloc(const char *name) if (!pinst->parallel_wq) goto err_free_inst; - get_online_cpus(); + cpus_read_lock(); pinst->serial_wq = alloc_workqueue("%s_serial", WQ_MEM_RECLAIM | WQ_CPU_INTENSIVE, 1, name); @@ -1026,7 +1013,7 @@ struct padata_instance *padata_alloc(const char *name) &pinst->cpu_dead_node); #endif - put_online_cpus(); + cpus_read_unlock(); return pinst; @@ -1036,7 +1023,7 @@ err_free_masks: err_free_serial_wq: destroy_workqueue(pinst->serial_wq); err_put_cpus: - put_online_cpus(); + cpus_read_unlock(); destroy_workqueue(pinst->parallel_wq); err_free_inst: kfree(pinst); @@ -1074,9 +1061,9 @@ struct padata_shell *padata_alloc_shell(struct padata_instance *pinst) ps->pinst = pinst; - get_online_cpus(); + cpus_read_lock(); pd = padata_alloc_pd(ps); - put_online_cpus(); + cpus_read_unlock(); if (!pd) goto out_free_ps; |