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>

diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 22cb387..3de6435 100644 (file)
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -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 */

diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index a05085e..ce7723c 100644 (file)
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -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);
 };
 
 

diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index ceffbf3..ee7c59d 100644 (file)
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -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);
 };
 
 /**

diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 80275ef..f7a5fb7 100644 (file)
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -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 = {

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index d12aa82..bc5f0e5 100644 (file)
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1012,6 +1012,7 @@ void __init setup_arch(char **cmdline_p)
        conswitchp = &dummy_con;
 #endif
 #endif
+       x86_init.oem.banner();
 }
 
 #ifdef CONFIG_X86_32

diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index fa2d849..08fea49 100644 (file)
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -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,
        },
 };

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 73c7b1d..46e23cd 100644 (file)
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -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
        /*