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Diffstat (limited to 'arch/x86/kernel/cpu/mce/genpool.c')
-rw-r--r--arch/x86/kernel/cpu/mce/genpool.c45
1 files changed, 22 insertions, 23 deletions
diff --git a/arch/x86/kernel/cpu/mce/genpool.c b/arch/x86/kernel/cpu/mce/genpool.c
index 4284749ec803..3ca9c007a666 100644
--- a/arch/x86/kernel/cpu/mce/genpool.c
+++ b/arch/x86/kernel/cpu/mce/genpool.c
@@ -31,15 +31,15 @@ static LLIST_HEAD(mce_event_llist);
*/
static bool is_duplicate_mce_record(struct mce_evt_llist *t, struct mce_evt_llist *l)
{
+ struct mce_hw_err *err1, *err2;
struct mce_evt_llist *node;
- struct mce *m1, *m2;
- m1 = &t->mce;
+ err1 = &t->err;
llist_for_each_entry(node, &l->llnode, llnode) {
- m2 = &node->mce;
+ err2 = &node->err;
- if (!mce_cmp(m1, m2))
+ if (!mce_cmp(&err1->m, &err2->m))
return true;
}
return false;
@@ -73,8 +73,8 @@ struct llist_node *mce_gen_pool_prepare_records(void)
void mce_gen_pool_process(struct work_struct *__unused)
{
- struct llist_node *head;
struct mce_evt_llist *node, *tmp;
+ struct llist_node *head;
struct mce *mce;
head = llist_del_all(&mce_event_llist);
@@ -83,7 +83,7 @@ void mce_gen_pool_process(struct work_struct *__unused)
head = llist_reverse_order(head);
llist_for_each_entry_safe(node, tmp, head, llnode) {
- mce = &node->mce;
+ mce = &node->err.m;
blocking_notifier_call_chain(&x86_mce_decoder_chain, 0, mce);
gen_pool_free(mce_evt_pool, (unsigned long)node, sizeof(*node));
}
@@ -94,64 +94,63 @@ bool mce_gen_pool_empty(void)
return llist_empty(&mce_event_llist);
}
-int mce_gen_pool_add(struct mce *mce)
+bool mce_gen_pool_add(struct mce_hw_err *err)
{
struct mce_evt_llist *node;
- if (filter_mce(mce))
- return -EINVAL;
+ if (filter_mce(&err->m))
+ return false;
if (!mce_evt_pool)
- return -EINVAL;
+ return false;
node = (void *)gen_pool_alloc(mce_evt_pool, sizeof(*node));
if (!node) {
pr_warn_ratelimited("MCE records pool full!\n");
- return -ENOMEM;
+ return false;
}
- memcpy(&node->mce, mce, sizeof(*mce));
+ memcpy(&node->err, err, sizeof(*err));
llist_add(&node->llnode, &mce_event_llist);
- return 0;
+ return true;
}
-static int mce_gen_pool_create(void)
+static bool mce_gen_pool_create(void)
{
int mce_numrecords, mce_poolsz, order;
struct gen_pool *gpool;
- int ret = -ENOMEM;
void *mce_pool;
order = order_base_2(sizeof(struct mce_evt_llist));
gpool = gen_pool_create(order, -1);
if (!gpool)
- return ret;
+ return false;
mce_numrecords = max(MCE_MIN_ENTRIES, num_possible_cpus() * MCE_PER_CPU);
mce_poolsz = mce_numrecords * (1 << order);
mce_pool = kmalloc(mce_poolsz, GFP_KERNEL);
if (!mce_pool) {
gen_pool_destroy(gpool);
- return ret;
+ return false;
}
- ret = gen_pool_add(gpool, (unsigned long)mce_pool, mce_poolsz, -1);
- if (ret) {
+
+ if (gen_pool_add(gpool, (unsigned long)mce_pool, mce_poolsz, -1)) {
gen_pool_destroy(gpool);
kfree(mce_pool);
- return ret;
+ return false;
}
mce_evt_pool = gpool;
- return ret;
+ return true;
}
-int mce_gen_pool_init(void)
+bool mce_gen_pool_init(void)
{
/* Just init mce_gen_pool once. */
if (mce_evt_pool)
- return 0;
+ return true;
return mce_gen_pool_create();
}