TPM: ACPI/PNP dependency removal
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From: Randy Dunlap on 13 May 2010 16:40 Rajiv Andrade wrote: > This patch pushes the ACPI dependency into the device driver code > itself. Now, even without ACPI/PNP enabled, the device can be registered > using the TIS specified memory space. This will however result in the > lack of access to the bios event log, being the only implication of such > ACPI removal. > > Signed-off-by: Rajiv Andrade <srajiv(a)linux.vnet.ibm.com> > Acked-by: Mimi Zohar <zohar(a)linux.vnet.ibm.com> > --- > drivers/char/tpm/Kconfig | 6 ++++-- > drivers/char/tpm/tpm_tis.c | 42 ++++++++++++++++++++++-------------------- > 2 files changed, 26 insertions(+), 22 deletions(-) > > diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig > index f5fc64f..fffc994 100644 > --- a/drivers/char/tpm/Kconfig > +++ b/drivers/char/tpm/Kconfig > @@ -17,14 +17,16 @@ menuconfig TCG_TPM > obtained at: <http://sourceforge.net/projects/trousers>. To > compile this driver as a module, choose M here; the module > will be called tpm. If unsure, say N. > - Note: For more TPM drivers enable CONFIG_PNP, CONFIG_ACPI > + Notes: > + 1) For more TPM drivers enable CONFIG_PNP, CONFIG_ACPI > and CONFIG_PNPACPI. > + 2) Without ACPI enabled, the bios event log won't be accessible, s/bios/BIOS/ please > + which is required to validate the PCR 0-7 values. > > if TCG_TPM > > config TCG_TIS > tristate "TPM Interface Specification 1.2 Interface" > - depends on PNP > ---help--- > If you have a TPM security chip that is compliant with the > TCG TIS 1.2 TPM specification say Yes and it will be accessible Thanks for the update. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: James Morris on 16 May 2010 19:10
On Thu, 13 May 2010, Rajiv Andrade wrote: > This patch pushes the ACPI dependency into the device driver code > itself. Now, even without ACPI/PNP enabled, the device can be registered > using the TIS specified memory space. This will however result in the > lack of access to the BIOS event log, being the only implication of such > ACPI removal. > > Signed-off-by: Rajiv Andrade <srajiv(a)linux.vnet.ibm.com> > Acked-by: Mimi Zohar <zohar(a)linux.vnet.ibm.com> Applied to git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6#next -- James Morris <jmorris(a)namei.org> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |