On Wed, Jan 11, 2012 at 11:52 PM, Eric Dumazet <eric.dumazet@xxxxxxxxx> wrote: > Le jeudi 05 janvier 2012 à 14:27 -0700, Bjorn Helgaas a écrit : >> This factors out the AMD native MMCONFIG discovery so we can use it >> outside amd_bus.c. >> >> amd_bus.c reads AMD MSRs so it can remove the MMCONFIG area from the >> PCI resources. We may also need the MMCONFIG information to work >> around BIOS defects in the ACPI MCFG table. >> >> Cc: Borislav Petkov <borislav.petkov@xxxxxxx> >> Cc: Yinghai Lu <yinghai@xxxxxxxxxx> >> Cc: stable@xxxxxxxxxx # 2.6.34+ >> Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> >> --- >> arch/x86/include/asm/amd_nb.h | 2 ++ >> arch/x86/kernel/amd_nb.c | 31 ++++++++++++++++++++++++++++++ >> arch/x86/pci/amd_bus.c | 42 +++++++++++------------------------------ >> 3 files changed, 44 insertions(+), 31 deletions(-) > >> /** >> @@ -85,6 +57,9 @@ static int __init early_fill_mp_bus_info(void) >> u64 val; >> u32 address; >> bool found; >> + struct resource fam10h_mmconf_res, *fam10h_mmconf; >> + u64 fam10h_mmconf_start; >> + u64 fam10h_mmconf_end; >> >> if (!early_pci_allowed()) >> return -1; >> @@ -211,12 +186,17 @@ static int __init early_fill_mp_bus_info(void) >> subtract_range(range, RANGE_NUM, 0, end); >> >> /* get mmconfig */ >> - get_pci_mmcfg_amd_fam10h_range(); >> + fam10h_mmconf = amd_get_mmconfig_range(&fam10h_mmconf_res); >> /* need to take out mmconf range */ > > This adds following link error if "# CONFIG_CPU_SUP_AMD is not set" > > LD .tmp_vmlinux1 > arch/x86/pci/built-in.o: In function `early_fill_mp_bus_info': > /opt/src/linux/arch/x86/pci/amd_bus.c:189: undefined reference to > `amd_get_mmconfig_range' > make: *** [.tmp_vmlinux1] Error 1 I posted a fix for this, but looks like it hasn't been merged yet: http://marc.info/?l=linux-pci&m=132614917932150&w=2 I'll resend it. Bjorn -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
