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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-16 21:09:43 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-16 21:09:43 +0300 |
| commit | 661e338f728d101b4839b6b157d44cfcb80e3c5e (patch) | |
| tree | 5d40053d81777116b7617712b64860eac5642b0e | |
| parent | 6a5df38f5f07981dda5457ec6c05efe1c4200d84 (diff) | |
| parent | 256f7276af20c88b492353710d5d6640b09c3d63 (diff) | |
| download | linux-661e338f728d101b4839b6b157d44cfcb80e3c5e.tar.xz | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
edac, mce, amd: silence GART TLB errors
edac, mce: correct corenum reporting
| -rw-r--r-- | drivers/edac/edac_mce_amd.c | 24 |
1 files changed, 7 insertions, 17 deletions
diff --git a/drivers/edac/edac_mce_amd.c b/drivers/edac/edac_mce_amd.c index c693fcc2213c..8fc91a019620 100644 --- a/drivers/edac/edac_mce_amd.c +++ b/drivers/edac/edac_mce_amd.c @@ -299,6 +299,12 @@ void amd_decode_nb_mce(int node_id, struct err_regs *regs, int handle_errors) if (!handle_errors) return; + /* + * GART TLB error reporting is disabled by default. Bail out early. + */ + if (TLB_ERROR(ec) && !report_gart_errors) + return; + pr_emerg(" Northbridge Error, node %d", node_id); /* @@ -310,10 +316,9 @@ void amd_decode_nb_mce(int node_id, struct err_regs *regs, int handle_errors) if (regs->nbsh & K8_NBSH_ERR_CPU_VAL) pr_cont(", core: %u\n", (u8)(regs->nbsh & 0xf)); } else { - pr_cont(", core: %d\n", ilog2((regs->nbsh & 0xf))); + pr_cont(", core: %d\n", fls((regs->nbsh & 0xf) - 1)); } - pr_emerg("%s.\n", EXT_ERR_MSG(xec)); if (BUS_ERROR(ec) && nb_bus_decoder) @@ -333,21 +338,6 @@ static void amd_decode_fr_mce(u64 mc5_status) static inline void amd_decode_err_code(unsigned int ec) { if (TLB_ERROR(ec)) { - /* - * GART errors are intended to help graphics driver developers - * to detect bad GART PTEs. It is recommended by AMD to disable - * GART table walk error reporting by default[1] (currently - * being disabled in mce_cpu_quirks()) and according to the - * comment in mce_cpu_quirks(), such GART errors can be - * incorrectly triggered. We may see these errors anyway and - * unless requested by the user, they won't be reported. - * - * [1] section 13.10.1 on BIOS and Kernel Developers Guide for - * AMD NPT family 0Fh processors - */ - if (!report_gart_errors) - return; - pr_emerg(" Transaction: %s, Cache Level %s\n", TT_MSG(ec), LL_MSG(ec)); } else if (MEM_ERROR(ec)) { |