diff options
| author | Glauber Costa <gcosta@redhat.com> | 2008-02-11 17:16:03 -0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 17:40:47 +0200 |
| commit | 2785c8d052278228cc3806233c09295088f83d42 (patch) | |
| tree | c8ba8333a8c38bc81d38c656cfe99a6ef93ad33d | |
| parent | a2beab31b167bd8ba49bb84944e07ac096f2ab0a (diff) | |
x86: call vsmp_init explicitly
It becomes to early for ioremap, so we use early_ioremap
Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ravikiran Thirumalai <kiran@scalemp.com>
Acked-by: Shai Fultheim <shai@scalemp.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | arch/x86/kernel/setup_64.c | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/vsmp_64.c | 11 | ||||
| -rw-r--r-- | include/asm-x86/setup.h | 4 |
3 files changed, 13 insertions, 6 deletions
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c index f4f7ecfb898..e67925674ea 100644 --- a/arch/x86/kernel/setup_64.c +++ b/arch/x86/kernel/setup_64.c @@ -345,6 +345,10 @@ void __init setup_arch(char **cmdline_p) if (efi_enabled) efi_init(); +#ifdef CONFIG_PARAVIRT + vsmp_init(); +#endif + dmi_scan_machine(); io_delay_init(); diff --git a/arch/x86/kernel/vsmp_64.c b/arch/x86/kernel/vsmp_64.c index 976691726de..fdf9fba6ba9 100644 --- a/arch/x86/kernel/vsmp_64.c +++ b/arch/x86/kernel/vsmp_64.c @@ -16,10 +16,10 @@ #include <asm/pci-direct.h> #include <asm/io.h> -static void __init vsmp_init(void) +void __init vsmp_init(void) { void *address; - unsigned int cap, ctl; + unsigned int cap, ctl, cfg; if (!early_pci_allowed()) return; @@ -32,7 +32,8 @@ static void __init vsmp_init(void) return; /* set vSMP magic bits to indicate vSMP capable kernel */ - address = ioremap(read_pci_config(0, 0x1f, 0, PCI_BASE_ADDRESS_0), 8); + cfg = read_pci_config(0, 0x1f, 0, PCI_BASE_ADDRESS_0); + address = early_ioremap(cfg, 8); cap = readl(address); ctl = readl(address + 4); printk(KERN_INFO "vSMP CTL: capabilities:0x%08x control:0x%08x\n", @@ -45,8 +46,6 @@ static void __init vsmp_init(void) printk(KERN_INFO "vSMP CTL: control set to:0x%08x\n", ctl); } - iounmap(address); + early_iounmap(address, 8); return; } - -core_initcall(vsmp_init); diff --git a/include/asm-x86/setup.h b/include/asm-x86/setup.h index 071e054abd8..f745de21119 100644 --- a/include/asm-x86/setup.h +++ b/include/asm-x86/setup.h @@ -4,6 +4,10 @@ #define COMMAND_LINE_SIZE 2048 #ifndef __ASSEMBLY__ + +/* Interrupt control for vSMPowered x86_64 systems */ +void vsmp_init(void); + char *machine_specific_memory_setup(void); #ifndef CONFIG_PARAVIRT #define paravirt_post_allocator_init() do {} while (0) |