lkml.org 
[lkml]   [2008]   [Sep]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: [PATCH] x86: x86_{phys,virt}_bits field also for i386 (v3)

* Jan Beulich <jbeulich@novell.com> wrote:

> Make the x86_{phys,virt}_bits common for 32- and 64-bits, and use the
> former in ioremap's phys_addr_valid() check also on 32bit/PAE.
>
> Signed-off-by: Jan Beulich <jbeulich@novell.com>

thanks, i've applied the delta below.

Ingo

---------->
From b9397fe215791b4f83bda23b9f3c0d5200e94558 Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Tue, 9 Sep 2008 09:45:32 +0200
Subject: [PATCH] x86: x86_{phys,virt}_bits field also for i386, fix

fix mismerge.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/x86/kernel/cpu/common.c | 15 +++++----------
arch/x86/mm/ioremap.c | 2 +-
2 files changed, 6 insertions(+), 11 deletions(-)

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index df6c387..b26c09e 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -439,6 +439,11 @@ void __cpuinit cpu_detect(struct cpuinfo_x86 *c)
c->x86_cache_alignment = c->x86_clflush_size;
}
}
+
+#ifdef CONFIG_X86_32
+ if (cpu_has(c, X86_FEATURE_PAE) || cpu_has(c, X86_FEATURE_PSE36))
+ c->x86_phys_bits = 36;
+#endif
}

static void __cpuinit get_cpu_cap(struct cpuinfo_x86 *c)
@@ -520,11 +525,6 @@ static void __init early_identify_cpu(struct cpuinfo_x86 *c)

cpu_detect(c);

-#ifdef CONFIG_X86_32
- if (cpu_has(c, X86_FEATURE_PAE) || cpu_has(c, X86_FEATURE_PSE36))
- c->x86_phys_bits = 36;
-#endif
-
get_cpu_vendor(c);

get_cpu_cap(c);
@@ -667,11 +667,6 @@ static void __cpuinit identify_cpu(struct cpuinfo_x86 *c)

generic_identify(c);

-#ifdef CONFIG_X86_32
- if (cpu_has(c, X86_FEATURE_PAE) || cpu_has(c, X86_FEATURE_PSE36))
- c->x86_phys_bits = 36;
-#endif
-
if (this_cpu->c_identify)
this_cpu->c_identify(c);

diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 74d16f2..ce207ba 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -25,7 +25,7 @@
static inline int phys_addr_valid(unsigned long addr)
{
#ifdef CONFIG_RESOURCES_64BIT
- return addr < (1UL << boot_cpu_data.x86_phys_bits);
+ return !(addr >> boot_cpu_data.x86_phys_bits);
#else
return 1;
#endif

\
 
 \ /
  Last update: 2008-09-09 09:51    [W:0.063 / U:3.704 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site