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| author | Glauber de Oliveira Costa <gcosta@redhat.com> | 2008-01-30 13:31:12 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 13:31:12 +0100 |
| commit | 8d947344c47a40626730bb80d136d8daac9f2060 (patch) | |
| tree | 3987eb84706b2f4e968d6838da9d2d1f6888e34e /include | |
| parent | 010d4f8221cf51a2ab8b037d0149506b397d073f (diff) | |
| download | op-kernel-dev-8d947344c47a40626730bb80d136d8daac9f2060.zip op-kernel-dev-8d947344c47a40626730bb80d136d8daac9f2060.tar.gz | |
x86: change write_idt_entry signature
this patch changes write_idt_entry signature. It now takes a gate_desc
instead of the a and b parameters. It will allow it to be later unified
between i386 and x86_64.
Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
CC: Zachary Amsden <zach@vmware.com>
CC: Jeremy Fitzhardinge <Jeremy.Fitzhardinge.citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-x86/desc_32.h | 10 | ||||
| -rw-r--r-- | include/asm-x86/paravirt.h | 9 |
2 files changed, 13 insertions, 6 deletions
diff --git a/include/asm-x86/desc_32.h b/include/asm-x86/desc_32.h index 77f1e5a..54b2314 100644 --- a/include/asm-x86/desc_32.h +++ b/include/asm-x86/desc_32.h @@ -70,9 +70,15 @@ static inline void pack_gate(gate_desc *gate, #define write_ldt_entry(dt, entry, a, b) write_dt_entry(dt, entry, a, b) #define write_gdt_entry(dt, entry, a, b) write_dt_entry(dt, entry, a, b) -#define write_idt_entry(dt, entry, a, b) write_dt_entry(dt, entry, a, b) +#define write_idt_entry(dt, entry, g) native_write_idt_entry(dt, entry, g) #endif +static inline void native_write_idt_entry(gate_desc *idt, int entry, + const gate_desc *gate) +{ + memcpy(&idt[entry], gate, sizeof(*gate)); +} + static inline void write_dt_entry(struct desc_struct *dt, int entry, u32 entry_low, u32 entry_high) { @@ -142,7 +148,7 @@ static inline void _set_gate(int gate, unsigned int type, void *addr, unsigned s { gate_desc g; pack_gate(&g, (unsigned long)addr, seg, type, 0); - write_idt_entry(idt_table, gate, g.a, g.b); + write_idt_entry(idt_table, gate, &g); } static inline void __set_tss_desc(unsigned int cpu, unsigned int entry, const void *addr) diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h index 0333fb6..86a9d7b 100644 --- a/include/asm-x86/paravirt.h +++ b/include/asm-x86/paravirt.h @@ -17,6 +17,7 @@ #include <linux/types.h> #include <linux/cpumask.h> #include <asm/kmap_types.h> +#include <asm/desc_defs.h> struct page; struct thread_struct; @@ -99,8 +100,8 @@ struct pv_cpu_ops { int entrynum, u32 low, u32 high); void (*write_gdt_entry)(struct desc_struct *, int entrynum, u32 low, u32 high); - void (*write_idt_entry)(struct desc_struct *, - int entrynum, u32 low, u32 high); + void (*write_idt_entry)(gate_desc *, + int entrynum, const gate_desc *gate); void (*load_sp0)(struct tss_struct *tss, struct thread_struct *t); void (*set_iopl_mask)(unsigned mask); @@ -667,9 +668,9 @@ static inline void write_gdt_entry(void *dt, int entry, u32 low, u32 high) { PVOP_VCALL4(pv_cpu_ops.write_gdt_entry, dt, entry, low, high); } -static inline void write_idt_entry(void *dt, int entry, u32 low, u32 high) +static inline void write_idt_entry(gate_desc *dt, int entry, const gate_desc *g) { - PVOP_VCALL4(pv_cpu_ops.write_idt_entry, dt, entry, low, high); + PVOP_VCALL3(pv_cpu_ops.write_idt_entry, dt, entry, g); } static inline void set_iopl_mask(unsigned mask) { |
