From e09b41010ba33a20a87472ee821fa407a5b8da36 Mon Sep 17 00:00:00 2001 From: José Pekkarinen Date: Mon, 11 Apr 2016 10:41:07 +0300 Subject: These changes are the raw update to linux-4.4.6-rt14. Kernel sources are taken from kernel.org, and rt patch from the rt wiki download page. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen --- kernel/drivers/s390/crypto/zcrypt_api.c | 30 +++++++++++++----------------- 1 file changed, 13 insertions(+), 17 deletions(-) (limited to 'kernel/drivers/s390/crypto/zcrypt_api.c') diff --git a/kernel/drivers/s390/crypto/zcrypt_api.c b/kernel/drivers/s390/crypto/zcrypt_api.c index 08f1830cb..9f8fa42c0 100644 --- a/kernel/drivers/s390/crypto/zcrypt_api.c +++ b/kernel/drivers/s390/crypto/zcrypt_api.c @@ -54,6 +54,10 @@ MODULE_DESCRIPTION("Cryptographic Coprocessor interface, " \ "Copyright IBM Corp. 2001, 2012"); MODULE_LICENSE("GPL"); +static int zcrypt_hwrng_seed = 1; +module_param_named(hwrng_seed, zcrypt_hwrng_seed, int, S_IRUSR|S_IRGRP); +MODULE_PARM_DESC(hwrng_seed, "Turn on/off hwrng auto seed, default is 1 (on)."); + static DEFINE_SPINLOCK(zcrypt_device_lock); static LIST_HEAD(zcrypt_device_list); static int zcrypt_device_count = 0; @@ -313,11 +317,9 @@ EXPORT_SYMBOL(zcrypt_device_unregister); void zcrypt_msgtype_register(struct zcrypt_ops *zops) { - if (zops->owner) { - spin_lock_bh(&zcrypt_ops_list_lock); - list_add_tail(&zops->list, &zcrypt_ops_list); - spin_unlock_bh(&zcrypt_ops_list_lock); - } + spin_lock_bh(&zcrypt_ops_list_lock); + list_add_tail(&zops->list, &zcrypt_ops_list); + spin_unlock_bh(&zcrypt_ops_list_lock); } EXPORT_SYMBOL(zcrypt_msgtype_register); @@ -338,7 +340,7 @@ struct zcrypt_ops *__ops_lookup(unsigned char *name, int variant) spin_lock_bh(&zcrypt_ops_list_lock); list_for_each_entry(zops, &zcrypt_ops_list, list) { if ((zops->variant == variant) && - (!strncmp(zops->owner->name, name, MODULE_NAME_LEN))) { + (!strncmp(zops->name, name, sizeof(zops->name)))) { found = 1; break; } @@ -468,8 +470,7 @@ static long zcrypt_rsa_crt(struct ica_rsa_modexpo_crt *crt) unsigned long long z1, z2, z3; int rc, copied; - if (crt->outputdatalength < crt->inputdatalength || - (crt->inputdatalength & 1)) + if (crt->outputdatalength < crt->inputdatalength) return -EINVAL; /* * As long as outputdatalength is big enough, we can set the @@ -1202,16 +1203,8 @@ static void sprinthx(unsigned char *title, struct seq_file *m, static void sprinthx4(unsigned char *title, struct seq_file *m, unsigned int *array, unsigned int len) { - int r; - seq_printf(m, "\n%s\n", title); - for (r = 0; r < len; r++) { - if ((r % 8) == 0) - seq_printf(m, " "); - seq_printf(m, "%08X ", array[r]); - if ((r % 8) == 7) - seq_putc(m, '\n'); - } + seq_hex_dump(m, " ", DUMP_PREFIX_NONE, 32, 4, array, len, false); seq_putc(m, '\n'); } @@ -1373,6 +1366,7 @@ static int zcrypt_rng_data_read(struct hwrng *rng, u32 *data) static struct hwrng zcrypt_rng_dev = { .name = "zcrypt", .data_read = zcrypt_rng_data_read, + .quality = 990, }; static int zcrypt_rng_device_add(void) @@ -1387,6 +1381,8 @@ static int zcrypt_rng_device_add(void) goto out; } zcrypt_rng_buffer_index = 0; + if (!zcrypt_hwrng_seed) + zcrypt_rng_dev.quality = 0; rc = hwrng_register(&zcrypt_rng_dev); if (rc) goto out_free; -- cgit 1.2.3-korg