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| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-04-05 16:42:23 -0400 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-04-11 15:40:38 -0700 |
| commit | 357d122670937c35b33d99c46356ef2b63182a1f (patch) | |
| tree | f630334f9e9364858a648a740cbf72f43daeaff3 /arch/x86/include | |
| parent | 84e70971e67d97bc2db18a4e76d42846272a54bd (diff) | |
| download | talos-obmc-linux-357d122670937c35b33d99c46356ef2b63182a1f.tar.gz talos-obmc-linux-357d122670937c35b33d99c46356ef2b63182a1f.zip | |
x86, xen, gdt: Remove the pvops variant of store_gdt.
The two use-cases where we needed to store the GDT were during ACPI S3 suspend
and resume. As the patches:
x86/gdt/i386: store/load GDT for ACPI S3 or hibernation/resume path is not needed
x86/gdt/64-bit: store/load GDT for ACPI S3 or hibernate/resume path is not needed.
have demonstrated - there are other mechanism by which the GDT is
saved and reloaded during early resume path.
Hence we do not need to worry about the pvops call-chain for saving the
GDT and can and can eliminate it. The other areas where the store_gdt is
used are never going to be hit when running under the pvops platforms.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Link: http://lkml.kernel.org/r/1365194544-14648-4-git-send-email-konrad.wilk@oracle.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/paravirt.h | 4 | ||||
| -rw-r--r-- | arch/x86/include/asm/paravirt_types.h | 2 |
2 files changed, 1 insertions, 5 deletions
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index 5edd1742cfd0..736512869950 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -262,10 +262,6 @@ static inline void set_ldt(const void *addr, unsigned entries) { PVOP_VCALL2(pv_cpu_ops.set_ldt, addr, entries); } -static inline void store_gdt(struct desc_ptr *dtr) -{ - PVOP_VCALL1(pv_cpu_ops.store_gdt, dtr); -} static inline void store_idt(struct desc_ptr *dtr) { PVOP_VCALL1(pv_cpu_ops.store_idt, dtr); diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h index 142236ed83af..b6c69a6917c8 100644 --- a/arch/x86/include/asm/paravirt_types.h +++ b/arch/x86/include/asm/paravirt_types.h @@ -122,7 +122,7 @@ struct pv_cpu_ops { void (*load_tr_desc)(void); void (*load_gdt)(const struct desc_ptr *); void (*load_idt)(const struct desc_ptr *); - void (*store_gdt)(struct desc_ptr *); + /* store_gdt has been removed. */ void (*store_idt)(struct desc_ptr *); void (*set_ldt)(const void *desc, unsigned entries); unsigned long (*store_tr)(void); |
