From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Andi Kleen <ak@muc.de>
Cc: Chris Wright <chrisw@sous-sol.org>,
virtualization@lists.osdl.org, xen-devel@lists.xensource.com,
linux-arch@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org
Subject: [patch 10/24] Xen-paravirt_ops: remove HAVE_ARCH_MM_LIFETIME, define no-op architecture implementations
Date: Wed, 21 Feb 2007 12:53:04 -0800 [thread overview]
Message-ID: <20070221205323.223043246@goop.org> (raw)
In-Reply-To: 20070221205254.169835700@goop.org
[-- Attachment #1: kill-HAVE_ARCH_MM_LIFETIME.patch --]
[-- Type: text/plain, Size: 14892 bytes --]
akpm:
> Can we lose __HAVE_ARCH_MM_LIFETIME? Just define these (preferably in C,
> not in cpp) in the appropriate include/asm-foo/ files?
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Cc: linux-arch@vger.kernel.org
---
include/asm-alpha/mmu_context.h | 9 +++++++++
include/asm-arm/mmu_context.h | 9 +++++++++
include/asm-arm26/mmu_context.h | 9 +++++++++
include/asm-avr32/mmu_context.h | 9 +++++++++
include/asm-cris/mmu_context.h | 8 ++++++++
include/asm-frv/mmu_context.h | 8 ++++++++
include/asm-h8300/mmu_context.h | 8 ++++++++
include/asm-i386/mmu_context.h | 2 +-
include/asm-i386/paravirt.h | 18 +++++++++++++++---
include/asm-ia64/mmu_context.h | 8 ++++++++
include/asm-m32r/mmu_context.h | 8 ++++++++
include/asm-m68k/mmu_context.h | 8 ++++++++
include/asm-m68knommu/mmu_context.h | 8 ++++++++
include/asm-mips/mmu_context.h | 8 ++++++++
include/asm-parisc/mmu_context.h | 9 +++++++++
include/asm-powerpc/mmu_context.h | 10 ++++++++++
include/asm-ppc/mmu_context.h | 9 +++++++++
include/asm-s390/mmu_context.h | 8 ++++++++
include/asm-sh/mmu_context.h | 8 ++++++++
include/asm-sh64/mmu_context.h | 8 ++++++++
include/asm-sparc/mmu_context.h | 8 ++++++++
include/asm-sparc64/mmu_context.h | 8 ++++++++
include/asm-um/mmu_context.h | 8 ++++++++
include/asm-v850/mmu_context.h | 8 ++++++++
include/asm-x86_64/mmu_context.h | 8 ++++++++
include/asm-xtensa/mmu_context.h | 9 +++++++++
include/linux/sched.h | 6 ------
27 files changed, 217 insertions(+), 10 deletions(-)
===================================================================
--- a/include/asm-alpha/mmu_context.h
+++ b/include/asm-alpha/mmu_context.h
@@ -256,4 +256,13 @@ enter_lazy_tlb(struct mm_struct *mm, str
#undef __MMU_EXTERN_INLINE
#endif
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
+
#endif /* __ALPHA_MMU_CONTEXT_H */
===================================================================
--- a/include/asm-arm/mmu_context.h
+++ b/include/asm-arm/mmu_context.h
@@ -108,4 +108,13 @@ switch_mm(struct mm_struct *prev, struct
#define deactivate_mm(tsk,mm) do { } while (0)
#define activate_mm(prev,next) switch_mm(prev, next, NULL)
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
+
#endif
===================================================================
--- a/include/asm-arm26/mmu_context.h
+++ b/include/asm-arm26/mmu_context.h
@@ -48,4 +48,13 @@ static inline void activate_mm(struct mm
cpu_switch_mm(next->pgd, next);
}
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
+
#endif
===================================================================
--- a/include/asm-avr32/mmu_context.h
+++ b/include/asm-avr32/mmu_context.h
@@ -145,4 +145,13 @@ static inline void disable_mmu(void)
sysreg_write(MMUCR, SYSREG_BIT(MMUCR_S));
}
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
+
#endif /* __ASM_AVR32_MMU_CONTEXT_H */
===================================================================
--- a/include/asm-cris/mmu_context.h
+++ b/include/asm-cris/mmu_context.h
@@ -21,4 +21,12 @@ static inline void enter_lazy_tlb(struct
{
}
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
#endif
===================================================================
--- a/include/asm-frv/mmu_context.h
+++ b/include/asm-frv/mmu_context.h
@@ -46,4 +46,12 @@ do { \
do { \
} while(0)
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
#endif
===================================================================
--- a/include/asm-h8300/mmu_context.h
+++ b/include/asm-h8300/mmu_context.h
@@ -28,4 +28,12 @@ static inline void activate_mm(struct mm
{
}
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
#endif
===================================================================
--- a/include/asm-i386/mmu_context.h
+++ b/include/asm-i386/mmu_context.h
@@ -68,7 +68,7 @@ static inline void switch_mm(struct mm_s
#define activate_mm(prev, next) \
do { \
- arch_activate_mm(prev, next); \
+ paravirt_activate_mm(prev, next); \
switch_mm((prev),(next),NULL); \
} while(0);
===================================================================
--- a/include/asm-i386/paravirt.h
+++ b/include/asm-i386/paravirt.h
@@ -432,9 +432,8 @@ static inline void startup_ipi_hook(int
}
#endif
-#define __HAVE_ARCH_MM_LIFETIME
-static inline void arch_activate_mm(struct mm_struct *prev,
- struct mm_struct *next)
+static inline void paravirt_activate_mm(struct mm_struct *prev,
+ struct mm_struct *next)
{
paravirt_ops.activate_mm(prev, next);
}
@@ -695,5 +694,18 @@ static inline void paravirt_pagetable_se
#endif
}
+static inline void paravirt_activate_mm(struct mm_struct *prev,
+ struct mm_struct *next)
+{
+}
+
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
#endif /* CONFIG_PARAVIRT */
#endif /* __ASM_PARAVIRT_H */
===================================================================
--- a/include/asm-ia64/mmu_context.h
+++ b/include/asm-ia64/mmu_context.h
@@ -197,5 +197,13 @@ activate_mm (struct mm_struct *prev, str
#define switch_mm(prev_mm,next_mm,next_task) activate_mm(prev_mm, next_mm)
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
# endif /* ! __ASSEMBLY__ */
#endif /* _ASM_IA64_MMU_CONTEXT_H */
===================================================================
--- a/include/asm-m32r/mmu_context.h
+++ b/include/asm-m32r/mmu_context.h
@@ -157,6 +157,14 @@ static inline void switch_mm(struct mm_s
#define enter_lazy_tlb(mm,tsk) do { } while (0)
#endif /* not CONFIG_MMU */
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
#endif /* not __ASSEMBLY__ */
#endif /* __KERNEL__ */
===================================================================
--- a/include/asm-m68k/mmu_context.h
+++ b/include/asm-m68k/mmu_context.h
@@ -149,5 +149,13 @@ static inline void activate_mm(struct mm
activate_context(next_mm);
}
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
#endif
#endif
===================================================================
--- a/include/asm-m68knommu/mmu_context.h
+++ b/include/asm-m68knommu/mmu_context.h
@@ -29,4 +29,12 @@ static inline void activate_mm(struct mm
{
}
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
#endif
===================================================================
--- a/include/asm-mips/mmu_context.h
+++ b/include/asm-mips/mmu_context.h
@@ -293,4 +293,12 @@ drop_mmu_context(struct mm_struct *mm, u
local_irq_restore(flags);
}
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
#endif /* _ASM_MMU_CONTEXT_H */
===================================================================
--- a/include/asm-parisc/mmu_context.h
+++ b/include/asm-parisc/mmu_context.h
@@ -70,4 +70,13 @@ static inline void activate_mm(struct mm
switch_mm(prev,next,current);
}
+
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
#endif
===================================================================
--- a/include/asm-powerpc/mmu_context.h
+++ b/include/asm-powerpc/mmu_context.h
@@ -80,5 +80,15 @@ static inline void activate_mm(struct mm
}
#endif /* CONFIG_PPC64 */
+
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
+
#endif /* __KERNEL__ */
#endif /* __ASM_POWERPC_MMU_CONTEXT_H */
===================================================================
--- a/include/asm-ppc/mmu_context.h
+++ b/include/asm-ppc/mmu_context.h
@@ -197,5 +197,14 @@ static inline void switch_mm(struct mm_s
extern void mmu_context_init(void);
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
+
#endif /* __PPC_MMU_CONTEXT_H */
#endif /* __KERNEL__ */
===================================================================
--- a/include/asm-s390/mmu_context.h
+++ b/include/asm-s390/mmu_context.h
@@ -67,4 +67,12 @@ static inline void activate_mm(struct mm
set_fs(current->thread.mm_segment);
}
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
#endif /* __S390_MMU_CONTEXT_H */
===================================================================
--- a/include/asm-sh/mmu_context.h
+++ b/include/asm-sh/mmu_context.h
@@ -214,5 +214,13 @@ static inline void disable_mmu(void)
#define disable_mmu() do { BUG(); } while (0)
#endif
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
#endif /* __KERNEL__ */
#endif /* __ASM_SH_MMU_CONTEXT_H */
===================================================================
--- a/include/asm-sh64/mmu_context.h
+++ b/include/asm-sh64/mmu_context.h
@@ -203,6 +203,14 @@ enter_lazy_tlb(struct mm_struct *mm, str
{
}
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
#endif /* __ASSEMBLY__ */
#endif /* __ASM_SH64_MMU_CONTEXT_H */
===================================================================
--- a/include/asm-sparc/mmu_context.h
+++ b/include/asm-sparc/mmu_context.h
@@ -35,6 +35,14 @@ BTFIXUPDEF_CALL(void, switch_mm, struct
/* Activate a new MM instance for the current task. */
#define activate_mm(active_mm, mm) switch_mm((active_mm), (mm), NULL)
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
#endif /* !(__ASSEMBLY__) */
#endif /* !(__SPARC_MMU_CONTEXT_H) */
===================================================================
--- a/include/asm-sparc64/mmu_context.h
+++ b/include/asm-sparc64/mmu_context.h
@@ -147,6 +147,14 @@ static inline void activate_mm(struct mm
spin_unlock_irqrestore(&mm->context.lock, flags);
}
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
#endif /* !(__ASSEMBLY__) */
#endif /* !(__SPARC64_MMU_CONTEXT_H) */
===================================================================
--- a/include/asm-um/mmu_context.h
+++ b/include/asm-um/mmu_context.h
@@ -74,6 +74,14 @@ static inline void destroy_context(struc
CHOOSE_MODE((void) 0, destroy_context_skas(mm));
}
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
#endif
/*
===================================================================
--- a/include/asm-v850/mmu_context.h
+++ b/include/asm-v850/mmu_context.h
@@ -8,4 +8,12 @@
#define activate_mm(prev,next) ((void)0)
#define enter_lazy_tlb(mm,tsk) ((void)0)
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
#endif /* __V850_MMU_CONTEXT_H__ */
===================================================================
--- a/include/asm-x86_64/mmu_context.h
+++ b/include/asm-x86_64/mmu_context.h
@@ -69,5 +69,13 @@ static inline void switch_mm(struct mm_s
#define activate_mm(prev, next) \
switch_mm((prev),(next),NULL)
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
#endif
===================================================================
--- a/include/asm-xtensa/mmu_context.h
+++ b/include/asm-xtensa/mmu_context.h
@@ -131,4 +131,13 @@ static inline void enter_lazy_tlb(struct
}
+static inline void arch_dup_mmap(struct mm_struct *oldmm,
+ struct mm_struct *mm)
+{
+}
+
+static inline void arch_exit_mmap(struct mm_struct *mm)
+{
+}
+
#endif /* _XTENSA_MMU_CONTEXT_H */
===================================================================
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -374,12 +374,6 @@ struct mm_struct {
rwlock_t ioctx_list_lock;
struct kioctx *ioctx_list;
};
-
-#ifndef __HAVE_ARCH_MM_LIFETIME
-#define arch_activate_mm(prev, next) do {} while(0)
-#define arch_dup_mmap(oldmm, mm) do {} while(0)
-#define arch_exit_mmap(mm) do {} while(0)
-#endif
struct sighand_struct {
atomic_t count;
===================================================================
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -29,6 +29,7 @@
#include <asm/uaccess.h>
#include <asm/cacheflush.h>
#include <asm/tlb.h>
+#include <asm/mmu_context.h>
#ifndef arch_mmap_check
#define arch_mmap_check(addr, len, flags) (0)
--
next prev parent reply other threads:[~2007-02-21 20:53 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-21 20:52 [patch 00/24] Xen-paravirt_ops: Xen guest implementation for paravirt_ops interface Jeremy Fitzhardinge
2007-02-21 20:52 ` [patch 01/24] Xen-paravirt_ops: No need to use -traditional for processing asm in arch/i386/ Jeremy Fitzhardinge
2007-02-21 20:52 ` [patch 02/24] Xen-paravirt_ops: Clean up ELF note generation Jeremy Fitzhardinge
2007-02-21 20:52 ` [patch 03/24] Xen-paravirt_ops: Fix typo in sync_constant_test_bit()s name Jeremy Fitzhardinge
2007-02-21 20:52 ` [patch 04/24] Xen-paravirt_ops: ignore vgacon if hardware not present Jeremy Fitzhardinge
2007-02-21 20:52 ` [patch 05/24] Xen-paravirt_ops: Add pagetable accessors to pack and unpack pagetable entries Jeremy Fitzhardinge
2007-02-21 22:15 ` Andi Kleen
2007-02-21 22:15 ` Andi Kleen
2007-02-21 22:20 ` Jeremy Fitzhardinge
2007-02-21 22:20 ` Jeremy Fitzhardinge
2007-02-21 23:20 ` Rusty Russell
2007-02-21 23:20 ` Rusty Russell
2007-02-21 23:27 ` Jeremy Fitzhardinge
2007-02-21 23:27 ` [Xen-devel] " Jeremy Fitzhardinge
2007-02-21 20:53 ` [patch 06/24] Xen-paravirt_ops: paravirt_ops: hooks to set up initial pagetable Jeremy Fitzhardinge
2007-02-21 20:53 ` [patch 07/24] Xen-paravirt_ops: paravirt_ops: allocate a fixmap slot Jeremy Fitzhardinge
2007-02-21 20:53 ` [patch 08/24] Xen-paravirt_ops: Allow paravirt backend to choose kernel PMD sharing Jeremy Fitzhardinge
2007-02-21 20:53 ` [patch 09/24] Xen-paravirt_ops: add hooks to intercept mm creation and destruction Jeremy Fitzhardinge
2007-02-21 20:53 ` Jeremy Fitzhardinge [this message]
2007-02-21 20:53 ` [patch 11/24] Xen-paravirt_ops: Add apply_to_page_range() which applies a function to a pte range Jeremy Fitzhardinge
2007-02-21 20:53 ` [patch 12/24] Xen-paravirt_ops: Allocate and free vmalloc areas Jeremy Fitzhardinge
2007-02-21 20:53 ` [patch 13/24] Xen-paravirt_ops: Add nosegneg capability to the vsyscall page notes Jeremy Fitzhardinge
2007-02-21 20:53 ` [patch 14/24] Xen-paravirt_ops: Add XEN config options Jeremy Fitzhardinge
2007-02-21 20:53 ` [patch 15/24] Xen-paravirt_ops: Add Xen interface header files Jeremy Fitzhardinge
2007-02-21 20:53 ` [patch 16/24] Xen-paravirt_ops: Core Xen implementation Jeremy Fitzhardinge
2007-02-21 20:53 ` [patch 17/24] Xen-paravirt_ops: avoid having a bad selector in %gs during context switch Jeremy Fitzhardinge
2007-02-21 22:10 ` Andi Kleen
2007-02-21 22:10 ` Andi Kleen
2007-02-21 22:14 ` Jeremy Fitzhardinge
2007-02-21 22:14 ` Jeremy Fitzhardinge
2007-02-21 22:16 ` Keir Fraser
2007-02-21 22:16 ` Keir Fraser
2007-02-21 23:25 ` Zachary Amsden
2007-02-21 23:25 ` [Xen-devel] " Zachary Amsden
2007-02-21 23:29 ` Jeremy Fitzhardinge
2007-02-21 23:29 ` [Xen-devel] " Jeremy Fitzhardinge
2007-02-21 20:53 ` [patch 18/24] Xen-paravirt_ops: Some generic early printk & boot console fixups Jeremy Fitzhardinge
2007-02-22 3:10 ` Andrew Morton
2007-02-22 3:10 ` Andrew Morton
2007-02-22 5:48 ` Jeremy Fitzhardinge
2007-02-22 5:48 ` Jeremy Fitzhardinge
2007-02-22 8:33 ` Gerd Hoffmann
2007-02-21 20:53 ` [patch 19/24] Xen-paravirt_ops: Use the hvc console infrastructure for Xen console Jeremy Fitzhardinge
2007-02-21 20:53 ` [patch 20/24] Xen-paravirt_ops: Add early printk support via hvc console Jeremy Fitzhardinge
2007-02-21 20:53 ` [patch 21/24] Xen-paravirt_ops: Add Xen grant table support Jeremy Fitzhardinge
2007-02-21 20:53 ` [patch 22/24] Xen-paravirt_ops: Add the Xenbus sysfs and virtual device hotplug driver Jeremy Fitzhardinge
2007-02-21 20:53 ` [patch 23/24] Xen-paravirt_ops: Add Xen virtual block device driver Jeremy Fitzhardinge
2007-02-21 20:53 ` [patch 24/24] Xen-paravirt_ops: Add the Xen virtual network " Jeremy Fitzhardinge
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