Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6996d3b63fd9a64341bc80dad1b556fd3eb81272
Commit: 6996d3b63fd9a64341bc80dad1b556fd3eb81272
Parent: fdb4c338c8d1d494e17c3422a3ea2129f6791596
Author: Jeremy Fitzhardinge <[EMAIL PROTECTED]>
AuthorDate: Tue Jul 17 18:37:03 2007 -0700
Committer: Jeremy Fitzhardinge <[EMAIL PROTECTED]>
CommitDate: Wed Jul 18 08:47:41 2007 -0700
paravirt: add a hook for once the allocator is ready
Add a hook so that the paravirt backend knows when the allocator is
ready. This is useful for the obvious reason that the allocator is
available, but the other side-effect of having the bootmem allocator
available is that each page now has an associated "struct page".
Signed-off-by: Jeremy Fitzhardinge <[EMAIL PROTECTED]>
---
arch/i386/kernel/setup.c | 2 ++
include/asm-i386/paravirt.h | 8 ++++++++
include/asm-i386/setup.h | 4 ++++
3 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 2d61e65..74871d0 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -601,6 +601,8 @@ void __init setup_arch(char **cmdline_p)
* NOTE: at this point the bootmem allocator is fully available.
*/
+ paravirt_post_allocator_init();
+
dmi_scan_machine();
#ifdef CONFIG_X86_GENERICARCH
diff --git a/include/asm-i386/paravirt.h b/include/asm-i386/paravirt.h
index 99bf661..7868569 100644
--- a/include/asm-i386/paravirt.h
+++ b/include/asm-i386/paravirt.h
@@ -52,6 +52,8 @@ struct paravirt_ops
/* Basic arch-specific setup */
void (*arch_setup)(void);
char *(*memory_setup)(void);
+ void (*post_allocator_init)(void);
+
void (*init_IRQ)(void);
void (*time_init)(void);
@@ -669,6 +671,12 @@ static inline void setup_secondary_clock(void)
}
#endif
+static inline void paravirt_post_allocator_init(void)
+{
+ if (paravirt_ops.post_allocator_init)
+ (*paravirt_ops.post_allocator_init)();
+}
+
static inline void paravirt_pagetable_setup_start(pgd_t *base)
{
if (paravirt_ops.pagetable_setup_start)
diff --git a/include/asm-i386/setup.h b/include/asm-i386/setup.h
index 0d5bff9..7862fe8 100644
--- a/include/asm-i386/setup.h
+++ b/include/asm-i386/setup.h
@@ -81,6 +81,10 @@ void __init add_memory_region(unsigned long long start,
extern unsigned long init_pg_tables_end;
+#ifndef CONFIG_PARAVIRT
+#define paravirt_post_allocator_init() do {} while (0)
+#endif
+
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
-
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