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x86: Move paravirt banner printout to x86_init_ops 

Replace another obscure paravirt magic and move it to
x86_init_ops. Such a hook is also useful for embedded and special
hardware.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2009-08-20 13:19:57 +02:00
parent 42bbdb43b1
commit 6f30c1ac3f
7 changed files with 12 additions and 14 deletions
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6
arch/x86/include/asm/paravirt.h
View File

@ -918,6 +918,8 @@ static inline unsigned long __raw_local_irq_save(void)
#undef PVOP_VCALL4
#undef PVOP_CALL4
extern void default_banner(void);
#else /* __ASSEMBLY__ */
#define _PVSITE(ptype, clobbers, ops, word, algn) \
@ -1058,5 +1060,7 @@ static inline unsigned long __raw_local_irq_save(void)
#endif /* CONFIG_X86_32 */
#endif /* __ASSEMBLY__ */
#endif /* CONFIG_PARAVIRT */
#else /* CONFIG_PARAVIRT */
# define default_banner x86_init_noop
#endif /* !CONFIG_PARAVIRT */
#endif /* _ASM_X86_PARAVIRT_H */

3
arch/x86/include/asm/paravirt_types.h
View File

@ -81,9 +81,6 @@ struct pv_init_ops {
/* Basic arch-specific setup */
void (*post_allocator_init)(void);
/* Print a banner to identify the environment */
void (*banner)(void);
};

2
arch/x86/include/asm/x86_init.h
View File

@ -59,9 +59,11 @@ struct x86_init_irqs {
/**
* struct x86_init_oem - oem platform specific customizing functions
* @arch_setup: platform specific architecure setup
* @banner: print a platform specific banner
*/
struct x86_init_oem {
void (*arch_setup)(void);
void (*banner)(void);
};
/**

10
arch/x86/kernel/paravirt.c
View File

@ -54,7 +54,7 @@ u64 _paravirt_ident_64(u64 x)
return x;
}
static void __init default_banner(void)
void __init default_banner(void)
{
printk(KERN_INFO "Booting paravirtualized kernel on %s\n",
pv_info.name);
@ -208,13 +208,6 @@ extern void native_irq_enable_sysexit(void);
extern void native_usergs_sysret32(void);
extern void native_usergs_sysret64(void);
static int __init print_banner(void)
{
pv_init_ops.banner();
return 0;
}
core_initcall(print_banner);
static struct resource reserve_ioports = {
.start = 0,
.end = IO_SPACE_LIMIT,
@ -310,7 +303,6 @@ struct pv_info pv_info = {
struct pv_init_ops pv_init_ops = {
.patch = native_patch,
.banner = default_banner,
};
struct pv_time_ops pv_time_ops = {

1
arch/x86/kernel/setup.c
View File

@ -1012,6 +1012,7 @@ void __init setup_arch(char **cmdline_p)
conswitchp = &dummy_con;
#endif
#endif
x86_init.oem.banner();
}
#ifdef CONFIG_X86_32

2
arch/x86/kernel/x86_init.c
View File

@ -6,6 +6,7 @@
#include <linux/init.h>
#include <asm/bios_ebda.h>
#include <asm/paravirt.h>
#include <asm/mpspec.h>
#include <asm/setup.h>
#include <asm/e820.h>
@ -45,5 +46,6 @@ struct __initdata x86_init_ops x86_init = {
.oem = {
.arch_setup = x86_init_noop,
.banner = default_banner,
},
};

2
arch/x86/xen/enlighten.c
View File

@ -840,7 +840,6 @@ static const struct pv_info xen_info __initdata = {
static const struct pv_init_ops xen_init_ops __initdata = {
.patch = xen_patch,
.banner = xen_banner,
.post_allocator_init = xen_post_allocator_init,
};
@ -982,6 +981,7 @@ asmlinkage void __init xen_start_kernel(void)
x86_init.resources.memory_setup = xen_memory_setup;
x86_init.oem.arch_setup = xen_arch_setup;
x86_init.oem.banner = xen_banner;
#ifdef CONFIG_X86_64
/*