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PCI: pcie, aer: remove spinlock in aerdrv_errprint.c 

The static buffer errmsg_buff[] is used only for building error
message in fixed format, and is protected by a spinlock.

This patch removes this buffer and the spinlock.

Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Reviewed-by: Andrew Patterson <andrew.patterson@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Hidetoshi Seto 2009-09-07 17:11:29 +09:00 committed by Jesse Barnes
parent 0d465f2350
commit 24dbb7beb2
1 changed files with 8 additions and 20 deletions
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28
drivers/pci/pcie/aer/aerdrv_errprint.c
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@ -152,38 +152,31 @@ static char *aer_agent_string[] = {
"Transmitter ID"
};
static char *aer_get_error_source_name(int severity,
unsigned int status,
char errmsg_buff[])
static void aer_print_error_source(struct aer_err_info *info)
{
int i;
char *errmsg = NULL;
for (i = 0; i < 32; i++) {
if (!(status & (1 << i)))
if (!(info->status & (1 << i)))
continue;
if (severity == AER_CORRECTABLE)
if (info->severity == AER_CORRECTABLE)
errmsg = aer_correctable_error_string[i];
else
errmsg = aer_uncorrectable_error_string[i];
if (!errmsg) {
sprintf(errmsg_buff, "Unknown Error Bit %2d ", i);
errmsg = errmsg_buff;
}
if (errmsg)
AER_PR(info, "%s\t:\n", errmsg);
else
AER_PR(info, "Unknown Error Bit %2d \t:\n", i);
break;
}
return errmsg;
}
static DEFINE_SPINLOCK(logbuf_lock);
static char errmsg_buff[100];
void aer_print_error(struct pci_dev *dev, struct aer_err_info *info)
{
char *errmsg;
int err_layer, agent;
int id = ((dev->bus->number << 8) | dev->devfn);
@ -199,12 +192,7 @@ void aer_print_error(struct pci_dev *dev, struct aer_err_info *info)
AER_PR(info, "PCIE Bus Error type\t: %s\n",
aer_error_layer[err_layer]);
spin_lock(&logbuf_lock);
errmsg = aer_get_error_source_name(info->severity,
info->status,
errmsg_buff);
AER_PR(info, "%s\t:\n", errmsg);
spin_unlock(&logbuf_lock);
aer_print_error_source(info);
agent = AER_GET_AGENT(info->severity, info->status);
AER_PR(info, "%s\t\t: %04x\n", aer_agent_string[agent], id);