diff options
-rw-r--r-- | kernel.spec | 6 | ||||
-rw-r--r-- | tpm-fix-stall-on-boot.patch | 24 |
2 files changed, 30 insertions, 0 deletions
diff --git a/kernel.spec b/kernel.spec index a99309db0..144ac1813 100644 --- a/kernel.spec +++ b/kernel.spec @@ -693,6 +693,8 @@ Patch12018: neuter_intel_microcode_load.patch Patch12020: alsa-fix-substream-proc-status-read.patch +Patch12030: tpm-fix-stall-on-boot.patch + %endif BuildRoot: %{_tmppath}/kernel-%{KVERREL}-root @@ -1264,6 +1266,9 @@ ApplyPatch disable-i8042-check-on-apple-mac.patch ApplyPatch neuter_intel_microcode_load.patch +# try to fix stalls during boot (#530393) +ApplyPatch tpm-fix-stall-on-boot.patch + # END OF PATCH APPLICATIONS %endif @@ -1873,6 +1878,7 @@ fi %changelog * Thu Sep 02 2010 Chuck Ebbert <cebbert@redhat.com> - 2.6.36-0.15.rc3.git0 - Add patch from ALSA mailing list to try to fix bug #628404 +- tpm-fix-stall-on-boot.patch: attempt to fix stalls during boot (#530393) * Wed Sep 01 2010 Kyle McMartin <kyle@redhat.com> - 2.6.36-0.14.rc3.git0 - Fix icebp breakpoints, patch from Frederic Weisbecker. diff --git a/tpm-fix-stall-on-boot.patch b/tpm-fix-stall-on-boot.patch new file mode 100644 index 000000000..adba40a6e --- /dev/null +++ b/tpm-fix-stall-on-boot.patch @@ -0,0 +1,24 @@ +Fix TPM timeouts on boot (#530393) + +--- a/drivers/char/tpm/tpm.c ++++ a/drivers/char/tpm/tpm.c +@@ -354,12 +354,14 @@ unsigned long tpm_calc_ordinal_duration(struct tpm_chip *chip, + tpm_protected_ordinal_duration[ordinal & + TPM_PROTECTED_ORDINAL_MASK]; + +- if (duration_idx != TPM_UNDEFINED) ++ if (duration_idx != TPM_UNDEFINED) { + duration = chip->vendor.duration[duration_idx]; +- if (duration <= 0) ++ /* if duration is 0, it's because chip->vendor.duration wasn't */ ++ /* filled yet, so we set the lowest timeout just to give enough */ ++ /* time to tpm_get_timeouts() succeed */ ++ return (duration <= 0 ? HZ : duration); ++ } else + return 2 * 60 * HZ; +- else +- return duration; + } + EXPORT_SYMBOL_GPL(tpm_calc_ordinal_duration); + + |