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| author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-04-14 16:08:25 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-26 23:41:04 +0200 |
| commit | 5f0b2976cb2b62668a076f54419c24b8ab677167 (patch) | |
| tree | da8439a413adf51359728208beab5ce9f6863ce5 /arch/x86/kernel/setup_64.c | |
| parent | e8ee6f0ae5cd860e8e6c02807edfa3c1fa01bcb5 (diff) | |
| download | blackbird-op-linux-5f0b2976cb2b62668a076f54419c24b8ab677167.tar.gz blackbird-op-linux-5f0b2976cb2b62668a076f54419c24b8ab677167.zip | |
x86: add pci=check_enable_amd_mmconf and dmi check
so will disable that feature by default, and only enable that via
pci=check_enable_amd_mmconf or for system match with dmi table.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/setup_64.c')
| -rw-r--r-- | arch/x86/kernel/setup_64.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c index d8a9ee752fb3..2f5c488aad0b 100644 --- a/arch/x86/kernel/setup_64.c +++ b/arch/x86/kernel/setup_64.c @@ -289,6 +289,18 @@ static void __init parse_setup_data(void) } } +#ifdef CONFIG_PCI_MMCONFIG +extern void __cpuinit fam10h_check_enable_mmcfg(void); +extern void __init check_enable_amd_mmconf_dmi(void); +#else +void __cpuinit fam10h_check_enable_mmcfg(void) +{ +} +void __init check_enable_amd_mmconf_dmi(void) +{ +} +#endif + /* * setup_arch - architecture-specific boot-time initializations * @@ -510,6 +522,9 @@ void __init setup_arch(char **cmdline_p) conswitchp = &dummy_con; #endif #endif + + /* do this before identify_cpu for boot cpu */ + check_enable_amd_mmconf_dmi(); } static int __cpuinit get_model_name(struct cpuinfo_x86 *c) @@ -697,14 +712,6 @@ static void __cpuinit early_init_amd(struct cpuinfo_x86 *c) set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC); } -#ifdef CONFIG_PCI_MMCONFIG -extern void __cpuinit fam10h_check_enable_mmcfg(void); -#else -void __cpuinit fam10h_check_enable_mmcfg(void) -{ -} -#endif - static void __cpuinit init_amd(struct cpuinfo_x86 *c) { unsigned level; |
