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x86-64: Move oldrsp from PDA to per-cpu.

Sfoglia il codice sorgente 
tj: * in asm-offsets_64.c, pda.h inclusion shouldn't be removed as pda
      is still referenced in the file
    * s/oldrsp/old_rsp/

Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Brian Gerst
2009-01-19 00:38:58 +09:00
committato da Tejun Heo
parent 9af45651f1
commit 3d1e42a7cf
5 ha cambiato i file con 15 aggiunte e 14 eliminazioni
Scarica il file Patch Scarica il file Diff Expand all files Collapse all files

8
arch/x86/xen/xen-asm_64.S
Vedi File

@@ -194,11 +194,11 @@ RELOC(xen_sysexit, 1b+1)
ENTRY(xen_sysret64)
/* We're already on the usermode stack at this point, but still
with the kernel gs, so we can easily switch back */
movq %rsp, %gs:pda_oldrsp
movq %rsp, PER_CPU_VAR(old_rsp)
movq PER_CPU_VAR(kernel_stack),%rsp
pushq $__USER_DS
pushq %gs:pda_oldrsp
pushq PER_CPU_VAR(old_rsp)
pushq %r11
pushq $__USER_CS
pushq %rcx
@@ -211,11 +211,11 @@ RELOC(xen_sysret64, 1b+1)
ENTRY(xen_sysret32)
/* We're already on the usermode stack at this point, but still
with the kernel gs, so we can easily switch back */
movq %rsp, %gs:pda_oldrsp
movq %rsp, PER_CPU_VAR(old_rsp)
movq PER_CPU_VAR(kernel_stack), %rsp
pushq $__USER32_DS
pushq %gs:pda_oldrsp
pushq PER_CPU_VAR(old_rsp)
pushq %r11
pushq $__USER32_CS
pushq %rcx