[PATCH] Fix atomicity of TIF update in flush_thread() for x86_64

() flush_thread() doing a non-atomic thread flag update It applies on 2.6.20. Signed-off-by: Rebecca Schultz [EMAIL PROTECTED] Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/x86_64/kernel/process.c +++ b/arch/x86_64/kernel/process.c @@ -385,14 +385,17 @@ void exit_thread

Re: [PATCH] Fix atomicity of TIF update in flush_thread() for x86_64

* David Miller ([EMAIL PROTECTED]) wrote: From: Mathieu Desnoyers [EMAIL PROTECTED] Date: Thu, 8 Mar 2007 21:15:53 -0500 Fix atomicity of TIF update in flush_thread() for x86_64 Race : parent process executing : sys_ptrace() (lock_kernel()) (ptrace_get_task_struct(pid

[PATCH] Fix atomicity of TIF update in flush_thread() for powerpc

() flush_thread() doing a non-atomic thread flag update Applies on 2.6.20. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -476,8 +476,13 @@ void flush_thread(void) #ifdef CONFIG_PPC64 struct

[PATCH] Fix avr32 TIF atomicity in do_debug_priv

Fix avr32 TIF atomicity in do_debug_priv avr32 updates the thread flags 1 - non atomically and 2 - with the wrong value (for TIF_SINGLE_STEP) in this function. It applies to 2.6.20. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/avr32/kernel/ptrace.c +++ b/arch/avr32/kernel

[PATCH] Fix atomicity of TIF update in flush_thread() for sparc64

() flush_thread() doing a non-atomic thread flag update It applies on 2.6.20. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/sparc64/kernel/process.c +++ b/arch/sparc64/kernel/process.c @@ -413,8 +413,13 @@ void flush_thread(void) struct thread_info *t

[PATCH] Fix sparc TIF_USEDFPU flag atomicity

Fix sparc TIF_USEDFPU flag atomicity Non atomic update of TIF can be very dangerous, except at thread structure creation time. Here I standardize the TIF_USEDFPU usage of the sparc arch. Applies on 2.6.20. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/sparc/kernel/process.c

Re: [PATCH] Fix atomicity of TIF update in flush_thread() for powerpc

Broken patch. Don't apply. Correct one coming. * Mathieu Desnoyers ([EMAIL PROTECTED]) wrote: Fix atomicity of TIF update in flush_thread() for powerpc Race : parent process executing : sys_ptrace() (lock_kernel()) (ptrace_get_task_struct(pid)) arch_ptrace() ptrace_detach

[PATCH] Fix atomicity of TIF update in flush_thread() for powerpc

() load_elf_binary() flush_old_exec() flush_thread() doing a non-atomic thread flag update Applies on 2.6.20. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -476,8 +476,13 @@ void flush_thread(void

[PATCH] Fix atomicity of TIF update in flush_thread() for sparc64

() load_elf_binary() flush_old_exec() flush_thread() doing a non-atomic thread flag update It applies on 2.6.20. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/sparc64/kernel/process.c +++ b/arch/sparc64/kernel/process.c @@ -413,8 +413,13 @@ void

[PATCH] Fix sparc TIF_USEDFPU flag atomicity

Fix sparc TIF_USEDFPU flag atomicity Non atomic update of TIF can be very dangerous, except at thread structure creation time. Here I standardize the TIF_USEDFPU usage of the sparc arch. This fix addresses the issue with *_ti_thread_flag(). Applies on 2.6.20. Signed-off-by: Mathieu Desnoyers

Re: [PATCH] Fix sparc TIF_USEDFPU flag atomicity

-- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo

Djprobes questions

, does irq_exit() or nmi_exit() (which reenables preemption) but does not do iret yet. My understanding is that it could be scheduled and have a return IP pointing to the code that is being modified. Am I right ? Regards, Mathieu -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole

Re: Djprobes questions

* Masami Hiramatsu ([EMAIL PROTECTED]) wrote: Hi Mathieu, Mathieu Desnoyers wrote: Hi Masami, I recently had to add support for inline code patching on i386 to my marker infrastructure. Clearly, it looks like what is done in djprobes, with the main difference that I only patch

[PATCH 00/10] atomic.h : standardizing atomic primitives

compile fine against : arm i686 ia64 m68k mips mipsel x86_64 ppc 405 powerpc 970 s390 sparc sparc64 I haven't built cross-compilers for other architectures yet. These patches apply on 2.6.20 Signed-off-by : Mathieu Desnoyers [EMAIL PROTECTED] - To unsubscribe from this list: send the line

[PATCH 01/10] atomic.h : Add atomic64 cmpxchg, xchg and add_unless to alpha

atomic.h : Add atomic64 cmpxchg, xchg and add_unless to alpha Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-alpha/atomic.h +++ b/include/asm-alpha/atomic.h @@ -175,19 +175,62 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v) return result

[PATCH 05/10] atomic.h : Add atomic64 cmpxchg, xchg and add_unless to mips

atomic.h : Add atomic64 cmpxchg, xchg and add_unless to mips Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-mips/atomic.h +++ b/include/asm-mips/atomic.h @@ -291,8 +291,8 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v) return result

[PATCH 01/10] local_t : architecture independant extension

local_t : architecture independant extension Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-generic/local.h +++ b/include/asm-generic/local.h @@ -33,6 +33,19 @@ typedef struct #define local_add(i,l) atomic_long_add((i),((l)-a)) #define local_sub(i,l) atomic_long_sub((i

[PATCH 06/10] local_t : parisc cleanup

local_t : parisc cleanup parisc architecture local_t cleanup : use asm-generic/local.h. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-parisc/local.h +++ b/include/asm-parisc/local.h @@ -1,40 +1 @@ -#ifndef _ARCH_PARISC_LOCAL_H -#define _ARCH_PARISC_LOCAL_H - -#include

[PATCH 08/10] local_t : s390 cleanup

local_t : s390 cleanup s390 architecture local_t cleanup : use asm-generic/local.h. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-s390/local.h +++ b/include/asm-s390/local.h @@ -1,58 +1 @@ -#ifndef _ASM_LOCAL_H -#define _ASM_LOCAL_H - -#include linux/percpu.h -#include

[PATCH 03/10] local_t : i386 extension

local_t : i386 extension Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-i386/local.h +++ b/include/asm-i386/local.h @@ -2,47 +2,198 @@ #define _ARCH_I386_LOCAL_H #include linux/percpu.h +#include asm/system.h +#include asm/atomic.h typedef struct { - volatile

[PATCH 00/10] local_t : adding and standardising local atomic primitives

against : arm i686 ia64 m68k mips mipsel x86_64 ppc 405 powerpc 970 s390 sparc sparc64 Signed-off-by : Mathieu Desnoyers [EMAIL PROTECTED] - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to [EMAIL PROTECTED] More majordomo info at http

[PATCH 03/10] atomic.h : i386 type safety fix

at least for x86_64), it would simply accept passing an atomic64_t value as parameter to cmpxchg, xchg and add_unless, having 64 bits inputs casted to 32 bits. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-i386/atomic.h +++ b/include/asm-i386/atomic.h @@ -207,8 +207,8

[PATCH 04/10] atomic.h : Add atomic64 cmpxchg, xchg and add_unless to ia64

atomic.h : Add atomic64 cmpxchg, xchg and add_unless to ia64 Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-ia64/atomic.h +++ b/include/asm-ia64/atomic.h @@ -88,12 +88,16 @@ ia64_atomic64_sub (__s64 i, atomic64_t *v) return new; } -#define atomic_cmpxchg(v, old

[PATCH 06/10] atomic.h : Add atomic64 cmpxchg, xchg and add_unless to parisc

atomic.h : Add atomic64 cmpxchg, xchg and add_unless to parisc Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-parisc/atomic.h +++ b/include/asm-parisc/atomic.h @@ -6,7 +6,6 @@ #define _ASM_PARISC_ATOMIC_H_ #include linux/types.h -#include asm/system.h /* * Atomic

[PATCH 09/10] atomic.h : Add atomic64_xchg to s390

atomic.h : Add atomic64_xchg to s390 Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-s390/atomic.h +++ b/include/asm-s390/atomic.h @@ -215,6 +215,8 @@ static __inline__ void atomic64_set_mask(unsigned long mask, atomic64_t * v) __CSG_LOOP(v, mask, ogr

[PATCH 08/10] atomic.h : Add atomic64 cmpxchg, xchg and add_unless to sparc64

atomic.h : Add atomic64 cmpxchg, xchg and add_unless to sparc64 Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-sparc64/atomic.h +++ b/include/asm-sparc64/atomic.h @@ -70,12 +70,12 @@ extern int atomic64_sub_ret(int, atomic64_t *); #define atomic_add_negative(i, v

[PATCH 09/10] local_t : sparc64 cleanup

local_t : sparc64 cleanup sparc64 local_t cleanup : simply use asm-generic/local.h. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-sparc64/local.h +++ b/include/asm-sparc64/local.h @@ -1,40 +1 @@ -#ifndef _ARCH_SPARC64_LOCAL_H -#define _ARCH_SPARC64_LOCAL_H - -#include

[PATCH 05/10] local_t : mips extension

local_t : mips extension Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-mips/local.h +++ b/include/asm-mips/local.h @@ -1,60 +1,524 @@ -#ifndef _ASM_LOCAL_H -#define _ASM_LOCAL_H +#ifndef _ARCH_MIPS_LOCAL_H +#define _ARCH_MIPS_LOCAL_H #include linux/percpu.h #include

[PATCH 04/10] local_t : ia64 extension

local_t : ia64 extension Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-ia64/local.h +++ b/include/asm-ia64/local.h @@ -1,50 +1 @@ -#ifndef _ASM_IA64_LOCAL_H -#define _ASM_IA64_LOCAL_H - -/* - * Copyright (C) 2003 Hewlett-Packard Co - * David Mosberger-Tang [EMAIL

[PATCH 07/10] local_t : powerpc extension

local_t : powerpc extension Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-powerpc/local.h +++ b/include/asm-powerpc/local.h @@ -1 +1,342 @@ -#include asm-generic/local.h +#ifndef _ARCH_POWERPC_LOCAL_H +#define _ARCH_POWERPC_LOCAL_H + +#include linux/percpu.h +#include asm

[PATCH 10/10] atomic.h : Add atomic64 cmpxchg, xchg and add_unless to x86_64

atomic.h : Add atomic64 cmpxchg, xchg and add_unless to x86_64 Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-x86_64/atomic.h +++ b/include/asm-x86_64/atomic.h @@ -375,8 +375,8 @@ static __inline__ long atomic64_add_return(long i, atomic64_t *v) long __i = i

[PATCH 10/10] local_t : x86_64 extension

local_t : x86_64 extension Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-x86_64/local.h +++ b/include/asm-x86_64/local.h @@ -2,49 +2,183 @@ #define _ARCH_X8664_LOCAL_H #include linux/percpu.h +#include asm/atomic.h typedef struct { - volatile long counter

[PATCH 02/10] atomic.h : Complete atomic_long operations in asm-generic

atomic.h : Complete atomic_long operations in asm-generic Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-generic/atomic.h +++ b/include/asm-generic/atomic.h @@ -9,6 +9,7 @@ */ #include asm/types.h +#include asm/system.h /* * Suppport for atomic_long_t @@ -66,6

[PATCH 07/10] atomic.h : Add atomic64 cmpxchg, xchg and add_unless to powerpc

atomic.h : Add atomic64 cmpxchg, xchg and add_unless to powerpc Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-powerpc/atomic.h +++ b/include/asm-powerpc/atomic.h @@ -165,7 +165,7 @@ static __inline__ int atomic_dec_return(atomic_t *v) return t; } -#define

[PATCH 02/10] local_t : alpha extension

local_t : alpha extension Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-alpha/local.h +++ b/include/asm-alpha/local.h @@ -4,37 +4,115 @@ #include linux/percpu.h #include asm/atomic.h -typedef atomic64_t local_t; +typedef struct +{ + atomic_long_t a; +} local_t

[PATCH 00/05] Linux Kernel Markers - kernel 2.6.20

calls hardirq tracing event when it returns. The following patches apply on 2.6.20. These patches compile fine against : arm i686 ia64 m68k mips mipsel x86_64 ppc 405 powerpc 970 s390 sparc sparc64 Signed-off-by : Mathieu Desnoyers [EMAIL PROTECTED] - To unsubscribe from this list: send the line

[PATCH 04/05] Linux Kernel Markers : i386 optimization

Linux Kernel Markers : i386 optimization Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- /dev/null +++ b/include/asm-i386/marker.h @@ -0,0 +1,47 @@ +/* + * marker.h + * + * Code markup for dynamic and static tracing. i386 architecture optimisations. + * + * (C) Copyright 2006 Mathieu

[PATCH 02/05] Linux Kernel Markers, architecture independant code.

Linux Kernel Markers, architecture independant code. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -121,6 +121,19 @@ __ksymtab_strings : AT(ADDR(__ksymtab_strings) - LOAD_OFFSET

[PATCH 01/05] Linux Kernel Markers : Kconfig menus

Linux Kernel Markers : Kconfig menus Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- /dev/null +++ b/kernel/Kconfig.marker @@ -0,0 +1,17 @@ +# Code markers configuration + +config MARKERS + bool Activate markers + select MODULES + default n + help + Place

[PATCH 05/05] Linux Kernel Markers, non optimized architectures

Linux Kernel Markers, non optimized architectures This patch also includes marker code for non optimized architectures. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- /dev/null +++ b/include/asm-arm/marker.h @@ -0,0 +1,13 @@ +/* + * marker.h + * + * Code markup for dynamic and static

[PATCH 03/05] Linux Kernel Markers : powerpc optimization

Linux Kernel Markers : powerpc optimization Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- /dev/null +++ b/include/asm-powerpc/marker.h @@ -0,0 +1,49 @@ +/* + * marker.h + * + * Code markup for dynamic and static tracing. PowerPC architecture + * optimisations. + * + * (C) Copyright 2006

Re: [PATCH 10/10] atomic.h : Add atomic64 cmpxchg, xchg and add_unless to x86_64

* Andi Kleen ([EMAIL PROTECTED]) wrote: Mathieu Desnoyers [EMAIL PROTECTED] writes: /** @@ -402,7 +405,7 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t *v) */ #define atomic_add_unless(v, a, u

Re: [PATCH] atomic.h : atomic_add_unless as inline. Remove system.h atomic.h circular dependency

applying this against the rest of my atomic.h patches. It applies over the atomic.h standardization patches. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] diff --git a/include/asm-alpha/atomic.h b/include/asm-alpha/atomic.h index 7b4fba8..f5cb7b8 100644 --- a/include/asm-alpha/atomic.h +++ b

Re: [PATCH 07/10] local_t : powerpc extension

* Andrew Morton ([EMAIL PROTECTED]) wrote: On Sun, 11 Feb 2007 14:18:12 -0500 Mathieu Desnoyers [EMAIL PROTECTED] wrote: local_t : powerpc extension This diff contains changes which are also present in [PATCH 07/10] atomic.h : Add atomic64 cmpxchg, xchg and add_unless to powerpc

Re: [PATCH 05/05] Linux Kernel Markers, non optimized architectures

* Andrew Morton ([EMAIL PROTECTED]) wrote: On Sun, 11 Feb 2007 15:03:27 -0500 Mathieu Desnoyers [EMAIL PROTECTED] wrote: Linux Kernel Markers, non optimized architectures This patch also includes marker code for non optimized architectures. I think once we've done this we can nuke

Re: [PATCH 02/05] Linux Kernel Markers, architecture independant code.

* Andrew Morton ([EMAIL PROTECTED]) wrote: On Sun, 11 Feb 2007 15:03:24 -0500 Mathieu Desnoyers [EMAIL PROTECTED] wrote: Linux Kernel Markers, architecture independant code. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] ... + +#ifndef MARK +#define MARK GEN_MARK

[PATCH] move of_irq_to_resource to prom_parse.c (powerpc)

on 2.6.20. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/powerpc/kernel/prom_parse.c +++ b/arch/powerpc/kernel/prom_parse.c @@ -1003,3 +1003,18 @@ int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq return res; } EXPORT_SYMBOL_GPL

Re: [-mm patch] MARKERS should depend on, not select MODULES

PROTECTED] Acked-by: Mathieu Desnoyers [EMAIL PROTECTED] --- BTW: Can we get in-kernel users? It could apply to any subsystems that needs hooks. (selinux?) --- linux-2.6.20-mm1/kernel/Kconfig.marker.old2007-02-15 15:54:10.0 +0100 +++ linux-2.6.20-mm1/kernel/Kconfig.marker

Re: [PATCH] local_t : powerpc extension - use long for powerpc32

should manipulate longs instead of ints, even if they are the same size on a given architecture (ppc32 and mips32 are affectec by this). Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-powerpc/local.h +++ b/include/asm-powerpc/local.h @@ -21,9 +21,9 @@ typedef struct #ifndef

Re: [PATCH] local_t : powerpc extension - use long for powerpc32

* Kumar Gala ([EMAIL PROTECTED]) wrote: On Feb 15, 2007, at 2:02 PM, Mathieu Desnoyers wrote: * Kumar Gala ([EMAIL PROTECTED]) wrote: is there a reason this isn't local_add_return(long a, local_t *l) on ppc32? (same comment for other functions) - k no, except that we use the code

Re: [PATCH] local_t : powerpc extension - use long for powerpc32

Please forget about my last email : #define PPC_STLCX stringify_in_c(stdcx.) and #define PPC_STLCX stringify_in_c(stwcx.) are self explaining. :) Mathieu * Kumar Gala ([EMAIL PROTECTED]) wrote: On Feb 15, 2007, at 2:02 PM, Mathieu Desnoyers wrote: * Kumar Gala ([EMAIL

Re: [PATCH] local_t : powerpc extension - shrink powerpc local.h

local_t : powerpc extension - shrink powerpc local.h By using PPC_LLARX and PPC_STLCX, we can cut in half the size of powerpc local.h. In applies on top of the local_t : powerpc extension - use long for powerpc32 Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-powerpc

Re: [PATCH 00/05] Linux Kernel Markers - kernel 2.6.20

impact when disabled (advantage of dynamic tracing) and it can be activated dynamically (advantage of dynamic tracing). Mathieu -- Mathieu Desnoyers Computer Engineering Ph.D. Candidate, École Polytechnique de Montréal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68

Re: sparse chokes on arch/i386/kernel/i8253.c (was: 2.6.20-mm1)

\ -include linux/marker.h I guess sparse is maybe not using this Makefile or variable ? -- Mathieu Desnoyers Computer Engineering Ph.D. Candidate, École Polytechnique de Montréal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 - To unsubscribe from this list: send the line

[PATCH] sparse chokes on arch/i386/kernel/i8253.c

. The fix applies on top the the Linux Kernel Markers for 2.6.20. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/Makefile +++ b/Makefile @@ -309,7 +309,8 @@ AFLAGS_KERNEL = LINUXINCLUDE:= -Iinclude \ $(if $(KBUILD_SRC),-Iinclude2 -I$(srctree)/include

Re: sparse chokes on arch/i386/kernel/i8253.c (was: 2.6.20-mm1)

* Andrew Morton ([EMAIL PROTECTED]) wrote: On Thu, 15 Feb 2007 17:46:56 -0500 Mathieu Desnoyers [EMAIL PROTECTED] wrote: Me too. It's due to the linux-kernel-markers patches. Mathieu, can you take a look please? I will give a deeper look in sparse, but I should say up front that I

Re: [PATCH] sparse chokes on arch/i386/kernel/i8253.c

* Andrew Morton ([EMAIL PROTECTED]) wrote: On Thu, 15 Feb 2007 19:23:47 -0500 Mathieu Desnoyers [EMAIL PROTECTED] wrote: sparse chokes on arch/i386/kernel/i8253.c Here is a marker fix that puts the correct -i include/linux/marker.h in the top level Makefile so sparse works correctly

Re: [PATCH 00/05] Linux Kernel Markers - kernel 2.6.20

* Andrew Morton ([EMAIL PROTECTED]) wrote: On Sun, 11 Feb 2007 15:03:22 -0500 Mathieu Desnoyers [EMAIL PROTECTED] wrote: You will find, in the following posts, the latest revision of the Linux Kernel Markers. looks for the documentation I guess the header of include/linux

[PATCH] Linux Kernel Markers Documentation

Linux Kernel Markers - Documentation Here is some documentation explaining what is/how to use the Linux Kernel Markers. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- /dev/null +++ b/Documentation/marker.txt @@ -0,0 +1,130 @@ +Using the Linux Kernel Markers

Re: [PATCH] Linux Kernel Markers Documentation

. Will fix, thanks. Regards, Mathieu -- Mathieu Desnoyers Computer Engineering Ph.D. Candidate, Ecole Polytechnique de Montreal OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68 - To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message

Re: [PATCH] Linux Kernel Markers Documentation - fix

Linux Kernel Markers Documentation - fix Fixes from Randy's comments. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/Documentation/marker.txt +++ b/Documentation/marker.txt @@ -18,7 +18,7 @@ code is reached. They can be used for tracing (LTTng, LKET over SystemTAP), overall

[PATCH] Move include linux/marker.h to kernel.h

file. We do that for everything else and markers aren't special in this regard. It seems like the logical solution. This patch moves this include from Makefile to include/linux/kernel.h. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/Makefile +++ b/Makefile @@ -308,9 +308,7

Re: [PATCH] Move include linux/marker.h from Makefile

, let's simply revert it then (and update the documentation accordingly in a following patch). Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/Makefile +++ b/Makefile @@ -308,9 +308,7 @@ AFLAGS_KERNEL = # Needed to be compatible with the O= option LINUXINCLUDE:= -Iinclude

Re: [PATCH 05/05] Linux Kernel Markers, non optimized architectures

* Karim Yaghmour ([EMAIL PROTECTED]) wrote: - KRYPTIVA PACKAGED MESSAGE - PACKAGING TYPE: SIGNED Mathieu Desnoyers wrote: The main goal of this config option is for embedded systems which doesn't support live code modification. Maybe we can put that under embedded sytems menu

Re: [PATCH] Add an offset in the cyc2ns computation to fix sched_clock jumps

= __cycles_2_ns(params, tsc_now); + + params-scale = (100 CYC2NS_SCALE_FACTOR)/cpu_khz; + params-offset += ns_now - __cycles_2_ns(params, tsc_now); + local_irq_restore(flags); + + put_cpu_var(cyc2ns); } /* -- Guillaume -- Mathieu Desnoyers Computer Engineering Ph.D. Student

Re: Bug report : reproducible memory allocator bug in 2.6.20-rc6

-f6-fa-fb kernel: [802c5d28] cache_flusharray+0x34/0xae Mar 21 06:15:28 x1-6-00-18-f3-f6-fa-fb kernel: [80207678] kmem_cache_free+0x1e6/0x203 Mar 21 06:15:28 x1-6-00-18-f3-f6-fa-fb kernel: [80226799] free_buffer_head+0x24/0x3d -- Mathieu Desnoyers Computer

m68knommu and vmlinux.lds.h RODATA

Hi Greg, Is there any particular reason why m68knommu does not use the RODATA linker script macro defined in asm-generic/vmlinux.lds.h ? It makes it rather inconvenient to add new RO sections to the kernel. Regards, Mathieu -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole

V850 and asm-generic/vmlinux.lds.h

Hi, I am wondering if there is a good reason why the V850 architecture does not use asm-generic/vmlinux.lds.h RODATA linker macro ? It would make addition of new RODATA sections much easier. Mathieu -- Mathieu Desnoyers Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal

[PATCH] atomic-avr32-remove-cast

atomic-avr32-remove-cast This int cast is superfluous since system.h cmpxchg already casts it in (typeof(*(ptr))). Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-avr32/atomic.h +++ b/include/asm-avr32/atomic.h @@ -173,7 +173,7 @@ static inline int atomic_sub_if_positive

[PATCH] atomic-powerpc-remove-double-defines

Remove duplicated defines in asm-powerpc/atomic.h. atomic64_inc_not_zero and atomic64_xchg are defined twice. It also removes an unnecessary cast to the atomic_cmpxchg result, which is already done by system.h cmpxchg. It applies on 2.6.21-rc6-mm1. Signed-off-by: Mathieu Desnoyers [EMAIL

[PATCH] markers-linker-generic

at multiple sites. This patch also creates the __markers_strings section (ro marker strings) and makes sure the __markers section is aligned by putting it before the __ksymtab_strings (not after). It applies on 2.6.21-rc6-mm1. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-generic

[PATCH] markers-linker-alpha

Add EXTRA_RWDATA to alpha. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/alpha/kernel/vmlinux.lds.S +++ b/arch/alpha/kernel/vmlinux.lds.S @@ -90,6 +90,7 @@ SECTIONS _data = .; .data : {/* Data */ *(.data) + EXTRA_RWDATA

[PATCH] markers-linker-arm

Add EXTRA_RWDATA to arm. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -155,6 +155,7 @@ SECTIONS * and the usual data section */ *(.data) + EXTRA_RWDATA

[PATCH] markers-linker-arm26

Add EXTRA_RWDATA to arm26. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/arm26/kernel/vmlinux-arm26-xip.lds.in +++ b/arch/arm26/kernel/vmlinux-arm26-xip.lds.in @@ -112,6 +112,7 @@ SECTIONS * and the usual data section */ *(.data

[PATCH] markers-linker-avr32

Add EXTRA_RWDATA to avr32. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/avr32/kernel/vmlinux.lds.c +++ b/arch/avr32/kernel/vmlinux.lds.c @@ -107,6 +107,7 @@ SECTIONS /* And the rest... */ *(.data.rel*) *(.data

[PATCH] markers-linker-cris

Add EXTRA_RWDATA to cris. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/cris/arch-v10/vmlinux.lds.S +++ b/arch/cris/arch-v10/vmlinux.lds.S @@ -45,6 +45,7 @@ SECTIONS __Sdata = . ; .data : { /* Data */ *(.data

[PATCH] markers-linker-frv

Add EXTRA_RWDATA to frv. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/frv/kernel/vmlinux.lds.S +++ b/arch/frv/kernel/vmlinux.lds.S @@ -137,6 +137,7 @@ SECTIONS .data : {/* Data */ *(.data .data.*) *(.exit.data) + EXTRA_RWDATA

[PATCH] markers-linker-h8300

Add EXTRA_RWDATA to h8300. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/h8300/kernel/vmlinux.lds.S +++ b/arch/h8300/kernel/vmlinux.lds.S @@ -105,7 +105,9 @@ SECTIONS . = ALIGN(0x4) ; *(.data) . = ALIGN(0x4) ; - *(.data

[PATCH] markers-linker-i386

Add EXTRA_RWDATA to i386. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/i386/kernel/vmlinux.lds.S +++ b/arch/i386/kernel/vmlinux.lds.S @@ -78,6 +78,7 @@ SECTIONS . = ALIGN(4096); .data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */ *(.data) + EXTRA_RWDATA

[PATCH] markers-linker-ia64

Add EXTRA_RWDATA to ia64. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/ia64/kernel/vmlinux.lds.S +++ b/arch/ia64/kernel/vmlinux.lds.S @@ -214,7 +214,7 @@ SECTIONS data : { } :data .data : AT(ADDR(.data) - LOAD_OFFSET) - { *(.data) *(.data1) *(.gnu.linkonce.d

[PATCH] markers-linker-m32r

Add EXTRA_RWDATA to m32r. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/m32r/kernel/vmlinux.lds.S +++ b/arch/m32r/kernel/vmlinux.lds.S @@ -51,6 +51,7 @@ SECTIONS *(.spu) *(.spi) *(.data) + EXTRA_RWDATA CONSTRUCTORS } -- Mathieu

[PATCH] markers-linker-m68k

Add EXTRA_RWDATA to m68k. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/m68k/kernel/vmlinux-std.lds +++ b/arch/m68k/kernel/vmlinux-std.lds @@ -29,6 +29,7 @@ SECTIONS .data : {/* Data */ *(.data) + EXTRA_RWDATA CONSTRUCTORS

[PATCH] markers-linker-mips

Add EXTRA_RWDATA to mips. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/mips/kernel/vmlinux.lds.S +++ b/arch/mips/kernel/vmlinux.lds.S @@ -64,6 +64,8 @@ SECTIONS *(.data) +EXTRA_RWDATA + CONSTRUCTORS } _gp = . + 0x8000; -- Mathieu Desnoyers Computer

[PATCH] markers-linker-parisc

Add EXTRA_RWDATA to parisc. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/parisc/kernel/vmlinux.lds.S +++ b/arch/parisc/kernel/vmlinux.lds.S @@ -92,6 +92,7 @@ SECTIONS . = ALIGN(L1_CACHE_BYTES); .data : {/* Data */ *(.data) + EXTRA_RWDATA

[PATCH] markers-linker-powerpc

Add EXTRA_RWDATA to powerpc. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/powerpc/kernel/vmlinux.lds.S +++ b/arch/powerpc/kernel/vmlinux.lds.S @@ -170,11 +170,13 @@ SECTIONS *(.data) *(.sdata) *(.got.plt) *(.got

[PATCH] markers-linker-ppc

Add EXTRA_RWDATA to ppc. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/ppc/kernel/vmlinux.lds.S +++ b/arch/ppc/kernel/vmlinux.lds.S @@ -73,6 +73,7 @@ SECTIONS *(.sdata2) *(.got.plt) *(.got) *(.dynamic) +EXTRA_RWDATA CONSTRUCTORS } -- Mathieu

[PATCH] markers-linker-s390

Add EXTRA_RWDATA to s390. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -49,6 +49,7 @@ SECTIONS .data : {/* Data */ *(.data) + EXTRA_RWDATA CONSTRUCTORS

[PATCH] markers-linker-m68knommu

Add EXTRA_RWDATA to m68knommu. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/m68knommu/kernel/vmlinux.lds.S +++ b/arch/m68knommu/kernel/vmlinux.lds.S @@ -134,6 +134,7 @@ SECTIONS { . = ALIGN(4); _sdata = . ; *(.data

[PATCH] markers-linker-sh

Add EXTRA_RWDATA to sh. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/sh/kernel/vmlinux.lds.S +++ b/arch/sh/kernel/vmlinux.lds.S @@ -40,6 +40,7 @@ SECTIONS .data : {/* Data */ *(.data) + EXTRA_RWDATA /* Align the initial ramdisk

[PATCH] markers-linker-sh64

Add EXTRA_RWDATA to sh64. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/sh64/kernel/vmlinux.lds.S +++ b/arch/sh64/kernel/vmlinux.lds.S @@ -79,6 +79,7 @@ SECTIONS .data : C_PHYS(.data) { /* Data */ *(.data) + EXTRA_RWDATA

[PATCH] markers-linker-sparc

Add EXTRA_RWDATA to sparc. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/sparc/kernel/vmlinux.lds.S +++ b/arch/sparc/kernel/vmlinux.lds.S @@ -23,6 +23,7 @@ SECTIONS .data: { *(.data) +EXTRA_RWDATA CONSTRUCTORS } .data1 : { *(.data1) } -- Mathieu

[PATCH] markers-linker-sparc64

Add EXTRA_RWDATA to sparc64. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/sparc64/kernel/vmlinux.lds.S +++ b/arch/sparc64/kernel/vmlinux.lds.S @@ -28,6 +28,7 @@ SECTIONS .data: { *(.data) +EXTRA_RWDATA CONSTRUCTORS } .data1 : { *(.data1

[PATCH] markers-linker-um

Add EXTRA_RWDATA to um. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/um/kernel/dyn.lds.S +++ b/arch/um/kernel/dyn.lds.S @@ -98,6 +98,7 @@ SECTIONS . = ALIGN(KERNEL_STACK_SIZE); /* init_task */ *(.data.init_task) *(.data .data.* .gnu.linkonce.d

[PATCH] markers-linker-v850

Add EXTRA_RWDATA to v850. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/v850/kernel/vmlinux.lds.S +++ b/arch/v850/kernel/vmlinux.lds.S @@ -116,6 +116,7 @@ *(.data) \ *(.exit.data

[PATCH] markers-linker-xtensa

Add EXTRA_RWDATA to xtensa. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/xtensa/kernel/vmlinux.lds.S +++ b/arch/xtensa/kernel/vmlinux.lds.S @@ -144,7 +144,7 @@ SECTIONS _fdata = .; .data : { -*(.data) CONSTRUCTORS +*(.data) EXTRA_RWDATA CONSTRUCTORS

[PATCH] markers-linker-x86_64

Add EXTRA_RWDATA to x86_64. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/arch/x86_64/kernel/vmlinux.lds.S +++ b/arch/x86_64/kernel/vmlinux.lds.S @@ -59,6 +59,7 @@ SECTIONS /* Data */ .data : AT(ADDR(.data) - LOAD_OFFSET) { *(.data

[PATCH] markers-generic-doc-section-fix-flags

-optimized markers, is left in .data because it is used very often. The marker flags now only define MF_* which are bitmasks. There is no way to use the bitmask shift value, so it is less error prone. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/linux/marker.h +++ b/include/linux

[PATCH] markers-i386-doc-section-flags-optimized-state-change

. If not, simply return : we would set it to the same value anyway. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-i386/marker.h +++ b/include/asm-i386/marker.h @@ -1,3 +1,6 @@ +#ifndef _ASM_I386_MARKER_H +#define _ASM_I386_MARKER_H + /* * marker.h * @@ -12,42 +15,54 @@ #ifdef

[PATCH] markers-powerpc-doc-section-flags

Changes to the powerpc marker header : Use the new MF_* bitmask, use the __markers, __markers_data and __markers_strings sections, add documentation. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- a/include/asm-powerpc/marker.h +++ b/include/asm-powerpc/marker.h @@ -1,3 +1,6 @@ +#ifndef

[PATCH] markers-non-opt-arch-alpha-arm26-doc-flags

Add alpha marker.h, add arm26 marker.h, use the new MF_* bitmask for asm-generic/marker.h. Document asm-generic/marker.h. Signed-off-by: Mathieu Desnoyers [EMAIL PROTECTED] --- /dev/null +++ b/include/asm-alpha/marker.h @@ -0,0 +1,13 @@ +/* + * marker.h + * + * Code markup for dynamic

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