From: Tim Gardner <tim.gard...@canonical.com>
arch/x86/kernel/cpu/microcode/intel.c: In function 'save_mc_for_early':
arch/x86/kernel/cpu/microcode/intel.c:516:1: warning: the frame size of 1032
bytes is larger than 1024 bytes [-Wframe-larger-than=]
gcc version 5.3.1 20160101 (Ubuntu 5.3.1-5ubuntu1)
Cc: Borislav Petkov <b...@alien8.de>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Ingo Molnar <mi...@redhat.com>
Cc: "H. Peter Anvin" <h...@zytor.com>
Signed-off-by: Tim Gardner <tim.gard...@canonical.com>
---
arch/x86/kernel/cpu/microcode/intel.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kernel/cpu/microcode/intel.c
b/arch/x86/kernel/cpu/microcode/intel.c
index ce47402..bee5e84 100644
--- a/arch/x86/kernel/cpu/microcode/intel.c
+++ b/arch/x86/kernel/cpu/microcode/intel.c
@@ -463,13 +463,18 @@ static DEFINE_MUTEX(x86_cpu_microcode_mutex);
*/
int save_mc_for_early(u8 *mc)
{
- struct microcode_intel *mc_saved_tmp[MAX_UCODE_COUNT];
+ struct microcode_intel **mc_saved_tmp;
unsigned int mc_saved_count_init;
unsigned int mc_saved_count;
struct microcode_intel **mc_saved;
int ret = 0;
int i;
+ mc_saved_tmp = kcalloc(MAX_UCODE_COUNT, sizeof(*mc_saved_tmp),
+ GFP_KERNEL);
+ if (!mc_saved_tmp)
+ return -ENOMEM;
+
/*
* Hold hotplug lock so mc_saved_data is not accessed by a CPU in
* hotplug.
@@ -512,6 +517,7 @@ int save_mc_for_early(u8 *mc)
out:
mutex_unlock(&x86_cpu_microcode_mutex);
+ kfree(mc_saved_tmp);
return ret;
}
EXPORT_SYMBOL_GPL(save_mc_for_early);
--
1.9.1
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