linux-toradex.git/arch/x86/kernel/cpu/cpu_debug.c, branch v2.6.30 Linux kernel for Apalis and Colibri modules x86: cpu_debug remove execute permission 2009-04-09T04:34:02+00:00 Jaswinder Singh Rajput jaswinder@kernel.org 2009-04-08T17:19:46+00:00 f20ab9c38fb85b4dde8b4139788ab9e735a35279 It seems by mistake these files got execute permissions so removing it. Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> LKML-Reference: <1239211186.9037.2.camel@ht.satnam> Signed-off-by: Ingo Molnar <mingo@elte.hu> 
It seems by mistake these files got execute permissions so removing it.

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
LKML-Reference: <1239211186.9037.2.camel@ht.satnam>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
x86: cpu_debug add support for various AMD CPUs 2009-03-14T17:07:58+00:00 Jaswinder Singh Rajput jaswinderrajput@gmail.com 2009-03-13T14:29:26+00:00 f4c3c4cdb1de232ff37cf4339eb2f36c84e20da6 Impact: Added AMD CPUs support Added flags for various AMD CPUs. Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> 
Impact: Added AMD CPUs support

Added flags for various AMD CPUs.

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
x86: cpu_debug add write support for MSRs 2009-03-13T02:02:45+00:00 Jaswinder Singh Rajput jaswinderrajput@gmail.com 2009-03-11T21:07:00+00:00 91219bcbdcccc1686b0ecce09e28825c93619c07 Supported write flag for registers. currently write is enabled only for PMC MSR. [root@ht]# cat /sys/kernel/debug/x86/cpu/cpu1/pmc/0x300/value 0x0 [root@ht]# echo 1234 > /sys/kernel/debug/x86/cpu/cpu1/pmc/0x300/value [root@ht]# cat /sys/kernel/debug/x86/cpu/cpu1/pmc/0x300/value 0x4d2 [root@ht]# echo 0x1234 > /sys/kernel/debug/x86/cpu/cpu1/pmc/0x300/value [root@ht]# cat /sys/kernel/debug/x86/cpu/cpu1/pmc/0x300/value 0x1234 Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> 
Supported write flag for registers.
currently write is enabled only for PMC MSR.

[root@ht]# cat /sys/kernel/debug/x86/cpu/cpu1/pmc/0x300/value
0x0

[root@ht]# echo 1234 > /sys/kernel/debug/x86/cpu/cpu1/pmc/0x300/value
[root@ht]# cat /sys/kernel/debug/x86/cpu/cpu1/pmc/0x300/value
0x4d2

[root@ht]# echo 0x1234 > /sys/kernel/debug/x86/cpu/cpu1/pmc/0x300/value
[root@ht]# cat /sys/kernel/debug/x86/cpu/cpu1/pmc/0x300/value
0x1234

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
x86: cpu architecture debug code, build fix, cleanup 2009-03-11T13:52:03+00:00 Jaswinder Singh Rajput jaswinder@kernel.org 2009-03-11T13:43:49+00:00 8229d754383e8cd905c38b56bd7365c7fc10dfc1 move store_ldt outside the CONFIG_PARAVIRT section and also clean up the code a bit. Signed-off-by: Jaswinder Singh Rajput <jaswinder@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> 
move store_ldt outside the CONFIG_PARAVIRT section and
also clean up the code a bit.

Signed-off-by: Jaswinder Singh Rajput <jaswinder@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
x86: cpu architecture debug code 2009-03-10T17:39:45+00:00 Jaswinder Singh Rajput jaswinderrajput@gmail.com 2009-03-10T10:07:51+00:00 9b779edf4b97798d037bb44fca2719ac184d0f14 Introduce: cat /sys/kernel/debug/x86/cpu/* for Intel and AMD processors to view / debug the state of each CPU. By using this we can debug whole range of registers and other cpu information for debugging purpose and monitor how things are changing. This can be useful for developers as well as for users. Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> LKML-Reference: <1236701373.3387.4.camel@localhost.localdomain> Signed-off-by: Ingo Molnar <mingo@elte.hu> 
Introduce:

 cat /sys/kernel/debug/x86/cpu/*

for Intel and AMD processors to view / debug the state of each CPU.

By using this we can debug whole range of registers and other
cpu information for debugging purpose and monitor how things
are changing.

This can be useful for developers as well as for users.

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
LKML-Reference: <1236701373.3387.4.camel@localhost.localdomain>
Signed-off-by: Ingo Molnar <mingo@elte.hu>