[Xen-ia64-devel] [PATCH 11/15] ia64/pv_ops: gate page paravirtualization.
paravirtualize gate page by allowing each pv_ops instances to define its own gate page. Signed-off-by: Isaku Yamahata --- arch/ia64/include/asm/native/patchlist.h | 38 ++ arch/ia64/include/asm/paravirt.h | 35 + arch/ia64/kernel/Makefile| 32 ++-- arch/ia64/kernel/Makefile.gate | 27 ++ arch/ia64/kernel/gate.lds.S | 17 +++--- arch/ia64/kernel/paravirt_patchlist.c| 79 ++ arch/ia64/kernel/paravirt_patchlist.h| 28 +++ arch/ia64/kernel/patch.c | 12 ++-- arch/ia64/mm/init.c |6 ++- 9 files changed, 231 insertions(+), 43 deletions(-) create mode 100644 arch/ia64/include/asm/native/patchlist.h create mode 100644 arch/ia64/kernel/Makefile.gate create mode 100644 arch/ia64/kernel/paravirt_patchlist.c create mode 100644 arch/ia64/kernel/paravirt_patchlist.h diff --git a/arch/ia64/include/asm/native/patchlist.h b/arch/ia64/include/asm/native/patchlist.h new file mode 100644 index 000..be16ca9 --- /dev/null +++ b/arch/ia64/include/asm/native/patchlist.h @@ -0,0 +1,38 @@ +/** + * arch/ia64/include/asm/native/inst.h + * + * Copyright (c) 2008 Isaku Yamahata + *VA Linux Systems Japan K.K. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#define __paravirt_start_gate_fsyscall_patchlist \ + __ia64_native_start_gate_fsyscall_patchlist +#define __paravirt_end_gate_fsyscall_patchlist \ + __ia64_native_end_gate_fsyscall_patchlist +#define __paravirt_start_gate_brl_fsys_bubble_down_patchlist \ + __ia64_native_start_gate_brl_fsys_bubble_down_patchlist +#define __paravirt_end_gate_brl_fsys_bubble_down_patchlist \ + __ia64_native_end_gate_brl_fsys_bubble_down_patchlist +#define __paravirt_start_gate_vtop_patchlist \ + __ia64_native_start_gate_vtop_patchlist +#define __paravirt_end_gate_vtop_patchlist \ + __ia64_native_end_gate_vtop_patchlist +#define __paravirt_start_gate_mckinley_e9_patchlist\ + __ia64_native_start_gate_mckinley_e9_patchlist +#define __paravirt_end_gate_mckinley_e9_patchlist \ + __ia64_native_end_gate_mckinley_e9_patchlist diff --git a/arch/ia64/include/asm/paravirt.h b/arch/ia64/include/asm/paravirt.h index a73e77a..fc433f6 100644 --- a/arch/ia64/include/asm/paravirt.h +++ b/arch/ia64/include/asm/paravirt.h @@ -35,6 +35,41 @@ extern struct pv_fsys_data pv_fsys_data; unsigned long *paravirt_get_fsyscall_table(void); char *paravirt_get_fsys_bubble_down(void); + +/** + * patchlist addresses for gate page + */ +enum pv_gate_patchlist { + PV_GATE_START_FSYSCALL, + PV_GATE_END_FSYSCALL, + + PV_GATE_START_BRL_FSYS_BUBBLE_DOWN, + PV_GATE_END_BRL_FSYS_BUBBLE_DOWN, + + PV_GATE_START_VTOP, + PV_GATE_END_VTOP, + + PV_GATE_START_MCKINLEY_E9, + PV_GATE_END_MCKINLEY_E9, +}; + +struct pv_patchdata { + unsigned long start_fsyscall_patchlist; + unsigned long end_fsyscall_patchlist; + unsigned long start_brl_fsys_bubble_down_patchlist; + unsigned long end_brl_fsys_bubble_down_patchlist; + unsigned long start_vtop_patchlist; + unsigned long end_vtop_patchlist; + unsigned long start_mckinley_e9_patchlist; + unsigned long end_mckinley_e9_patchlist; + + void *gate_section; +}; + +extern struct pv_patchdata pv_patchdata; + +unsigned long paravirt_get_gate_patchlist(enum pv_gate_patchlist type); +void *paravirt_get_gate_section(void); #endif #ifdef CONFIG_PARAVIRT_GUEST diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile index 1ab150e..8dc9df8 100644 --- a/arch/ia64/kernel/Makefile +++ b/arch/ia64/kernel/Makefile @@ -5,7 +5,7 @@ extra-y:= head.o init_task.o vmlinux.lds obj-y := acpi.o entry.o efi.o efi_stub.o gate-data.o fsys.o ia64_ksyms.o irq.o irq_ia64.o \ -irq_lsapic.o ivt.o machvec.o pal.o patch.o process.o perfmon.o ptrace.o sal.o \ +irq_lsapic.o ivt.o machvec.o pal.o p
[Xen-ia64-devel] [PATCH 11/15] ia64/pv_ops: gate page paravirtualization.
paravirtualize gate page by allowing each pv_ops instances to define its own gate page. Signed-off-by: Isaku Yamahata --- arch/ia64/include/asm/native/patchlist.h | 38 ++ arch/ia64/include/asm/paravirt.h | 35 + arch/ia64/kernel/Makefile| 32 ++-- arch/ia64/kernel/Makefile.gate | 27 ++ arch/ia64/kernel/gate.lds.S | 17 +++--- arch/ia64/kernel/paravirt_patchlist.c| 79 ++ arch/ia64/kernel/paravirt_patchlist.h| 28 +++ arch/ia64/kernel/patch.c | 12 ++-- arch/ia64/mm/init.c |6 ++- 9 files changed, 231 insertions(+), 43 deletions(-) create mode 100644 arch/ia64/include/asm/native/patchlist.h create mode 100644 arch/ia64/kernel/Makefile.gate create mode 100644 arch/ia64/kernel/paravirt_patchlist.c create mode 100644 arch/ia64/kernel/paravirt_patchlist.h diff --git a/arch/ia64/include/asm/native/patchlist.h b/arch/ia64/include/asm/native/patchlist.h new file mode 100644 index 000..be16ca9 --- /dev/null +++ b/arch/ia64/include/asm/native/patchlist.h @@ -0,0 +1,38 @@ +/** + * arch/ia64/include/asm/native/inst.h + * + * Copyright (c) 2008 Isaku Yamahata + *VA Linux Systems Japan K.K. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#define __paravirt_start_gate_fsyscall_patchlist \ + __ia64_native_start_gate_fsyscall_patchlist +#define __paravirt_end_gate_fsyscall_patchlist \ + __ia64_native_end_gate_fsyscall_patchlist +#define __paravirt_start_gate_brl_fsys_bubble_down_patchlist \ + __ia64_native_start_gate_brl_fsys_bubble_down_patchlist +#define __paravirt_end_gate_brl_fsys_bubble_down_patchlist \ + __ia64_native_end_gate_brl_fsys_bubble_down_patchlist +#define __paravirt_start_gate_vtop_patchlist \ + __ia64_native_start_gate_vtop_patchlist +#define __paravirt_end_gate_vtop_patchlist \ + __ia64_native_end_gate_vtop_patchlist +#define __paravirt_start_gate_mckinley_e9_patchlist\ + __ia64_native_start_gate_mckinley_e9_patchlist +#define __paravirt_end_gate_mckinley_e9_patchlist \ + __ia64_native_end_gate_mckinley_e9_patchlist diff --git a/arch/ia64/include/asm/paravirt.h b/arch/ia64/include/asm/paravirt.h index a73e77a..fc433f6 100644 --- a/arch/ia64/include/asm/paravirt.h +++ b/arch/ia64/include/asm/paravirt.h @@ -35,6 +35,41 @@ extern struct pv_fsys_data pv_fsys_data; unsigned long *paravirt_get_fsyscall_table(void); char *paravirt_get_fsys_bubble_down(void); + +/** + * patchlist addresses for gate page + */ +enum pv_gate_patchlist { + PV_GATE_START_FSYSCALL, + PV_GATE_END_FSYSCALL, + + PV_GATE_START_BRL_FSYS_BUBBLE_DOWN, + PV_GATE_END_BRL_FSYS_BUBBLE_DOWN, + + PV_GATE_START_VTOP, + PV_GATE_END_VTOP, + + PV_GATE_START_MCKINLEY_E9, + PV_GATE_END_MCKINLEY_E9, +}; + +struct pv_patchdata { + unsigned long start_fsyscall_patchlist; + unsigned long end_fsyscall_patchlist; + unsigned long start_brl_fsys_bubble_down_patchlist; + unsigned long end_brl_fsys_bubble_down_patchlist; + unsigned long start_vtop_patchlist; + unsigned long end_vtop_patchlist; + unsigned long start_mckinley_e9_patchlist; + unsigned long end_mckinley_e9_patchlist; + + void *gate_section; +}; + +extern struct pv_patchdata pv_patchdata; + +unsigned long paravirt_get_gate_patchlist(enum pv_gate_patchlist type); +void *paravirt_get_gate_section(void); #endif #ifdef CONFIG_PARAVIRT_GUEST diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile index 1ab150e..8dc9df8 100644 --- a/arch/ia64/kernel/Makefile +++ b/arch/ia64/kernel/Makefile @@ -5,7 +5,7 @@ extra-y:= head.o init_task.o vmlinux.lds obj-y := acpi.o entry.o efi.o efi_stub.o gate-data.o fsys.o ia64_ksyms.o irq.o irq_ia64.o \ -irq_lsapic.o ivt.o machvec.o pal.o patch.o process.o perfmon.o ptrace.o sal.o \ +irq_lsapic.o ivt.o machvec.o pal.o p
[Xen-ia64-devel] [PATCH 11/15] ia64/pv_ops: gate page paravirtualization.
paravirtualize gate page by allowing each pv_ops instances to define its own gate page. Signed-off-by: Isaku Yamahata --- arch/ia64/include/asm/native/patchlist.h | 38 ++ arch/ia64/include/asm/paravirt.h | 35 + arch/ia64/kernel/Makefile| 32 ++-- arch/ia64/kernel/Makefile.gate | 27 ++ arch/ia64/kernel/gate.lds.S | 17 --- arch/ia64/kernel/paravirt_patchlist.c| 78 ++ arch/ia64/kernel/paravirt_patchlist.h| 28 +++ arch/ia64/kernel/patch.c | 12 ++-- arch/ia64/mm/init.c |6 ++- 9 files changed, 230 insertions(+), 43 deletions(-) create mode 100644 arch/ia64/include/asm/native/patchlist.h create mode 100644 arch/ia64/kernel/Makefile.gate create mode 100644 arch/ia64/kernel/paravirt_patchlist.c create mode 100644 arch/ia64/kernel/paravirt_patchlist.h diff --git a/arch/ia64/include/asm/native/patchlist.h b/arch/ia64/include/asm/native/patchlist.h new file mode 100644 index 000..be16ca9 --- /dev/null +++ b/arch/ia64/include/asm/native/patchlist.h @@ -0,0 +1,38 @@ +/** + * arch/ia64/include/asm/native/inst.h + * + * Copyright (c) 2008 Isaku Yamahata + *VA Linux Systems Japan K.K. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#define __paravirt_start_gate_fsyscall_patchlist \ + __ia64_native_start_gate_fsyscall_patchlist +#define __paravirt_end_gate_fsyscall_patchlist \ + __ia64_native_end_gate_fsyscall_patchlist +#define __paravirt_start_gate_brl_fsys_bubble_down_patchlist \ + __ia64_native_start_gate_brl_fsys_bubble_down_patchlist +#define __paravirt_end_gate_brl_fsys_bubble_down_patchlist \ + __ia64_native_end_gate_brl_fsys_bubble_down_patchlist +#define __paravirt_start_gate_vtop_patchlist \ + __ia64_native_start_gate_vtop_patchlist +#define __paravirt_end_gate_vtop_patchlist \ + __ia64_native_end_gate_vtop_patchlist +#define __paravirt_start_gate_mckinley_e9_patchlist\ + __ia64_native_start_gate_mckinley_e9_patchlist +#define __paravirt_end_gate_mckinley_e9_patchlist \ + __ia64_native_end_gate_mckinley_e9_patchlist diff --git a/arch/ia64/include/asm/paravirt.h b/arch/ia64/include/asm/paravirt.h index a73e77a..fc433f6 100644 --- a/arch/ia64/include/asm/paravirt.h +++ b/arch/ia64/include/asm/paravirt.h @@ -35,6 +35,41 @@ extern struct pv_fsys_data pv_fsys_data; unsigned long *paravirt_get_fsyscall_table(void); char *paravirt_get_fsys_bubble_down(void); + +/** + * patchlist addresses for gate page + */ +enum pv_gate_patchlist { + PV_GATE_START_FSYSCALL, + PV_GATE_END_FSYSCALL, + + PV_GATE_START_BRL_FSYS_BUBBLE_DOWN, + PV_GATE_END_BRL_FSYS_BUBBLE_DOWN, + + PV_GATE_START_VTOP, + PV_GATE_END_VTOP, + + PV_GATE_START_MCKINLEY_E9, + PV_GATE_END_MCKINLEY_E9, +}; + +struct pv_patchdata { + unsigned long start_fsyscall_patchlist; + unsigned long end_fsyscall_patchlist; + unsigned long start_brl_fsys_bubble_down_patchlist; + unsigned long end_brl_fsys_bubble_down_patchlist; + unsigned long start_vtop_patchlist; + unsigned long end_vtop_patchlist; + unsigned long start_mckinley_e9_patchlist; + unsigned long end_mckinley_e9_patchlist; + + void *gate_section; +}; + +extern struct pv_patchdata pv_patchdata; + +unsigned long paravirt_get_gate_patchlist(enum pv_gate_patchlist type); +void *paravirt_get_gate_section(void); #endif #ifdef CONFIG_PARAVIRT_GUEST diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile index 1ab150e..8dc9df8 100644 --- a/arch/ia64/kernel/Makefile +++ b/arch/ia64/kernel/Makefile @@ -5,7 +5,7 @@ extra-y:= head.o init_task.o vmlinux.lds obj-y := acpi.o entry.o efi.o efi_stub.o gate-data.o fsys.o ia64_ksyms.o irq.o irq_ia64.o \ -irq_lsapic.o ivt.o machvec.o pal.o patch.o process.o perfmon.o ptrace.o sal.o \ +irq_lsapic.o ivt.o machvec.o pal.o