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-rw-r--r--drivers/acpi/apei/ghes.c49
-rw-r--r--drivers/acpi/apei/hest.c2
-rw-r--r--include/acpi/ghes.h2
3 files changed, 8 insertions, 45 deletions
diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 4150c72c78cb..33144ab0661a 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -162,27 +162,18 @@ static void ghes_iounmap_irq(void)
clear_fixmap(FIX_APEI_GHES_IRQ);
}
-static int ghes_estatus_pool_expand(unsigned long len); //temporary
-
-int ghes_estatus_pool_init(void)
+int ghes_estatus_pool_init(int num_ghes)
{
+ unsigned long addr, len;
+
ghes_estatus_pool = gen_pool_create(GHES_ESTATUS_POOL_MIN_ALLOC_ORDER, -1);
if (!ghes_estatus_pool)
return -ENOMEM;
- return ghes_estatus_pool_expand(GHES_ESTATUS_CACHE_AVG_SIZE *
- GHES_ESTATUS_CACHE_ALLOCED_MAX);
-}
-
-static int ghes_estatus_pool_expand(unsigned long len)
-{
- unsigned long size, addr;
-
- ghes_estatus_pool_size_request += PAGE_ALIGN(len);
- size = gen_pool_size(ghes_estatus_pool);
- if (size >= ghes_estatus_pool_size_request)
- return 0;
+ len = GHES_ESTATUS_CACHE_AVG_SIZE * GHES_ESTATUS_CACHE_ALLOCED_MAX;
+ len += (num_ghes * GHES_ESOURCE_PREALLOC_MAX_SIZE);
+ ghes_estatus_pool_size_request = PAGE_ALIGN(len);
addr = (unsigned long)vmalloc(PAGE_ALIGN(len));
if (!addr)
return -ENOMEM;
@@ -956,32 +947,8 @@ static int ghes_notify_nmi(unsigned int cmd, struct pt_regs *regs)
return ret;
}
-static unsigned long ghes_esource_prealloc_size(
- const struct acpi_hest_generic *generic)
-{
- unsigned long block_length, prealloc_records, prealloc_size;
-
- block_length = min_t(unsigned long, generic->error_block_length,
- GHES_ESTATUS_MAX_SIZE);
- prealloc_records = max_t(unsigned long,
- generic->records_to_preallocate, 1);
- prealloc_size = min_t(unsigned long, block_length * prealloc_records,
- GHES_ESOURCE_PREALLOC_MAX_SIZE);
-
- return prealloc_size;
-}
-
-static void ghes_estatus_pool_shrink(unsigned long len)
-{
- ghes_estatus_pool_size_request -= PAGE_ALIGN(len);
-}
-
static void ghes_nmi_add(struct ghes *ghes)
{
- unsigned long len;
-
- len = ghes_esource_prealloc_size(ghes->generic);
- ghes_estatus_pool_expand(len);
mutex_lock(&ghes_list_mutex);
if (list_empty(&ghes_nmi))
register_nmi_handler(NMI_LOCAL, ghes_notify_nmi, 0, "ghes");
@@ -991,8 +958,6 @@ static void ghes_nmi_add(struct ghes *ghes)
static void ghes_nmi_remove(struct ghes *ghes)
{
- unsigned long len;
-
mutex_lock(&ghes_list_mutex);
list_del_rcu(&ghes->list);
if (list_empty(&ghes_nmi))
@@ -1003,8 +968,6 @@ static void ghes_nmi_remove(struct ghes *ghes)
* freed after NMI handler finishes.
*/
synchronize_rcu();
- len = ghes_esource_prealloc_size(ghes->generic);
- ghes_estatus_pool_shrink(len);
}
static void ghes_nmi_init_cxt(void)
diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
index e33bfd9d256c..8113ddb14d28 100644
--- a/drivers/acpi/apei/hest.c
+++ b/drivers/acpi/apei/hest.c
@@ -211,7 +211,7 @@ static int __init hest_ghes_dev_register(unsigned int ghes_count)
if (rc)
goto err;
- rc = ghes_estatus_pool_init();
+ rc = ghes_estatus_pool_init(ghes_count);
if (rc)
goto err;
diff --git a/include/acpi/ghes.h b/include/acpi/ghes.h
index 46ef5566e052..cd9ee507d860 100644
--- a/include/acpi/ghes.h
+++ b/include/acpi/ghes.h
@@ -52,7 +52,7 @@ enum {
GHES_SEV_PANIC = 0x3,
};
-int ghes_estatus_pool_init(void);
+int ghes_estatus_pool_init(int num_ghes);
/* From drivers/edac/ghes_edac.c */