qat17: silence smp_processor_id() warning

Fix the following call trace by backporting patch from mainline kernel.

  BUG: using smp_processor_id() in preemptible [00000000] code: modprobe/956
  caller is debug_smp_processor_id+0x17/0x20
  CPU: 19 PID: 956 Comm: modprobe Tainted: G          IO      5.10.0-rc4-yoctodev-standard #1
  Hardware name: Intel Corporation S2600WFS/S2600WFS, BIOS SE5C620.86B.01.00.0694.120620170818 12/06/2017
  Call Trace:
   dump_stack+0x60/0x76
   check_preemption_disabled+0xc4/0xd0
   debug_smp_processor_id+0x17/0x20
   qat_rsa_init_tfm+0x1b/0x60 [intel_qat]
   crypto_akcipher_init_tfm+0x2c/0x30
   crypto_create_tfm_node+0x5f/0x110
   crypto_spawn_tfm2+0x34/0x60
   pkcs1pad_init_tfm+0x1d/0x40
   crypto_akcipher_init_tfm+0x2c/0x30
   crypto_create_tfm_node+0x5f/0x110
   crypto_alloc_tfm_node+0x6c/0xd0
   crypto_alloc_akcipher+0x1f/0x30
   public_key_verify_signature+0x7b/0x3e0
   ? sha256_update+0x65/0xe0
   ? sha256_final+0x65/0xb0
   ? crypto_shash_finup+0x2c/0x90
   ? __kmalloc+0x5c/0x550
   x509_check_for_self_signed+0xad/0x100
   x509_cert_parse+0x1aa/0x200
   x509_key_preparse+0x26/0x1f0
   asymmetric_key_preparse+0x50/0x80
   key_create_or_update+0x1d0/0x520
   regulatory_init+0x17d/0x265 [cfg80211]
   cfg80211_init+0x6b/0xd4 [cfg80211]
   ? 0xffffffffc131b000
   do_one_initcall+0x51/0x210
   ? kmem_cache_alloc_trace+0x32/0x500
   do_init_module+0x62/0x270
   load_module+0x268e/0x2850
   __do_sys_finit_module+0xb1/0xf0
   __x64_sys_finit_module+0x1a/0x20
   do_syscall_64+0x38/0x50
   entry_SYSCALL_64_after_hwframe+0x44/0xa9

Signed-off-by: Yongxin Liu <yongxin.liu@windriver.com>
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>

2 files changed, 73 insertions, 0 deletions

diff --git a/recipes-extended/qat/files/qat17_4.7.0-00006-crypto-qat-Silence-smp_processor_id-warning.patch b/recipes-extended/qat/files/qat17_4.7.0-00006-crypto-qat-Silence-smp_processor_id-warning.patch
new file mode 100644
index 0000000..262651f
--- /dev/null
+++ b/recipes-extended/qat/files/qat17_4.7.0-00006-crypto-qat-Silence-smp_processor_id-warning.patch
@@ -0,0 +1,72 @@
+From 21b67ec634271aafd73cffb3e73c0ba494dce3cd Mon Sep 17 00:00:00 2001
+From: Alexander Sverdlin <alexander.sverdlin@nokia.com>
+Date: Tue, 23 Jul 2019 07:24:01 +0000
+Subject: [PATCH] crypto: qat - Silence smp_processor_id() warning
+
+It seems that smp_processor_id() is only used for a best-effort
+load-balancing, refer to qat_crypto_get_instance_node(). It's not feasible
+to disable preemption for the duration of the crypto requests. Therefore,
+just silence the warning. This commit is similar to e7a9b05ca4
+("crypto: cavium - Fix smp_processor_id() warnings").
+
+Silences the following splat:
+BUG: using smp_processor_id() in preemptible [00000000] code: cryptomgr_test/2904
+caller is qat_alg_ablkcipher_setkey+0x300/0x4a0 [intel_qat]
+CPU: 1 PID: 2904 Comm: cryptomgr_test Tainted: P           O    4.14.69 #1
+...
+Call Trace:
+ dump_stack+0x5f/0x86
+ check_preemption_disabled+0xd3/0xe0
+ qat_alg_ablkcipher_setkey+0x300/0x4a0 [intel_qat]
+ skcipher_setkey_ablkcipher+0x2b/0x40
+ __test_skcipher+0x1f3/0xb20
+ ? cpumask_next_and+0x26/0x40
+ ? find_busiest_group+0x10e/0x9d0
+ ? preempt_count_add+0x49/0xa0
+ ? try_module_get+0x61/0xf0
+ ? crypto_mod_get+0x15/0x30
+ ? __kmalloc+0x1df/0x1f0
+ ? __crypto_alloc_tfm+0x116/0x180
+ ? crypto_skcipher_init_tfm+0xa6/0x180
+ ? crypto_create_tfm+0x4b/0xf0
+ test_skcipher+0x21/0xa0
+ alg_test_skcipher+0x3f/0xa0
+ alg_test.part.6+0x126/0x2a0
+ ? finish_task_switch+0x21b/0x260
+ ? __schedule+0x1e9/0x800
+ ? __wake_up_common+0x8d/0x140
+ cryptomgr_test+0x40/0x50
+ kthread+0xff/0x130
+ ? cryptomgr_notify+0x540/0x540
+ ? kthread_create_on_node+0x70/0x70
+ ret_from_fork+0x24/0x50
+
+Fixes: ed8ccaef52 ("crypto: qat - Add support for SRIOV")
+Cc: stable@vger.kernel.org
+Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
+Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
+
+Upstream-Status: Backport
+[https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1b82feb6c5e1996513d0fb0bbb475417088b4954]
+
+Signed-off-by: Yongxin Liu <yongxin.liu@windriver.com>
+---
+ quickassist/qat/drivers/crypto/qat/qat_common/adf_common_drv.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/quickassist/qat/drivers/crypto/qat/qat_common/adf_common_drv.h b/quickassist/qat/drivers/crypto/qat/qat_common/adf_common_drv.h
+index 08e3519..87dd5f1 100644
+--- a/quickassist/qat/drivers/crypto/qat/qat_common/adf_common_drv.h
++++ b/quickassist/qat/drivers/crypto/qat/qat_common/adf_common_drv.h
+@@ -100,7 +100,7 @@ struct service_hndl {
+ 
+ static inline int get_current_node(void)
+ {
+-       return topology_physical_package_id(smp_processor_id());
++       return topology_physical_package_id(raw_smp_processor_id());
+ }
+ 
+ int adf_service_register(struct service_hndl *service);
+-- 
+2.14.4
+
diff --git a/recipes-extended/qat/qat17_4.7.0-00006.bb b/recipes-extended/qat/qat17_4.7.0-00006.bb
index af292cf..e1c619d 100644
--- a/recipes-extended/qat/qat17_4.7.0-00006.bb
+++ b/recipes-extended/qat/qat17_4.7.0-00006.bb
@@ -26,6 +26,7 @@ SRC_URI = "https://01.org/sites/default/files/downloads/qat1.7.l.4.7.0-00006.tar
            file://qat17_4.7.0-00006-crypto-qat-adf_aer-Remove-pci_cleanup_aer_uncorrect_.patch \
            file://qat17_4.7.0-00006-qat-replace-linux-cryptohash.h-with-crypto-sha.h-for.patch \
            file://qat17_4.7.0-00006-overwrite-KBUILD_BUILTIN-in-kernel-s-Makefile.patch \
+           file://qat17_4.7.0-00006-crypto-qat-Silence-smp_processor_id-warning.patch \
           "
 
 do_fetch[depends] += "virtual/kernel:do_shared_workdir"