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| author | Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> | 2009-09-07 17:11:29 +0900 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-09-09 13:48:19 -0700 |
| commit | 24dbb7beb2a207f423006c46830dfaacca5a1139 (patch) | |
| tree | 2a2b7b85c11eb784c691c0857c59e8a6053004ae /drivers/pci | |
| parent | 0d465f23502e0810443c90a9cf1cf5686c4af4f2 (diff) | |
| download | linux-stable-24dbb7beb2a207f423006c46830dfaacca5a1139.tar.gz linux-stable-24dbb7beb2a207f423006c46830dfaacca5a1139.tar.bz2 linux-stable-24dbb7beb2a207f423006c46830dfaacca5a1139.zip | |
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>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pcie/aer/aerdrv_errprint.c | 28 |
1 files changed, 8 insertions, 20 deletions
diff --git a/drivers/pci/pcie/aer/aerdrv_errprint.c b/drivers/pci/pcie/aer/aerdrv_errprint.c index a2a4b3903a7a..95c3f1ca8076 100644 --- a/drivers/pci/pcie/aer/aerdrv_errprint.c +++ b/drivers/pci/pcie/aer/aerdrv_errprint.c @@ -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); |