Hi,
I have a bad experience with MIPS 64 Bit Architecture on Kernel 3.8.
The Kernel doesn't boot when enabling CONFIG_FUNCTION_TRACER,
it hangs at early startup directly after u-boot init:
..
## Loading Linux kernel with entry point: 0x805e23c0 ...
Bootloader: Done loading app on
Hi,
I have a bad experience with MIPS 64 Bit Architecture on Kernel 3.8.
The Kernel doesn't boot when enabling CONFIG_FUNCTION_TRACER,
it hangs at early startup directly after u-boot init:
..
## Loading Linux kernel with entry point: 0x805e23c0 ...
Bootloader: Done loading app on
On Thu, 2013-01-17 at 09:58 -0500, Alan Cooper wrote:
> When the kernel first boots we have to be able to handle the gcc
> generated jalr, addui sequence until ftrace_init gets a chance to run
> and change the sequence. At this point mcount just adjusts the stack
> and returns. When ftrace_init
When the kernel first boots we have to be able to handle the gcc
generated jalr, addui sequence until ftrace_init gets a chance to run
and change the sequence. At this point mcount just adjusts the stack
and returns. When ftrace_init runs, we convert the jalr/addui to nops.
Then whenever tracing
When the kernel first boots we have to be able to handle the gcc
generated jalr, addui sequence until ftrace_init gets a chance to run
and change the sequence. At this point mcount just adjusts the stack
and returns. When ftrace_init runs, we convert the jalr/addui to nops.
Then whenever tracing
On Thu, 2013-01-17 at 09:58 -0500, Alan Cooper wrote:
When the kernel first boots we have to be able to handle the gcc
generated jalr, addui sequence until ftrace_init gets a chance to run
and change the sequence. At this point mcount just adjusts the stack
and returns. When ftrace_init runs,
On Thu, Jan 17, 2013 at 12:43 AM, Al Cooper wrote:
> Part of the sequence is "addiu sp,sp,-8" in the delay slot after every
> call to the trace routine "_mcount" (some legacy thing where 2 arguments
> used to be pushed on the stack). The _mcount routine is expected to
> adjust the sp by +8 before
This is my second attempt and is the result of some GREAT feedback
from David Daney and Steven Rostedt.
Function tracing is currently broken for all 32 bit MIPS platforms.
When tracing is enabled, the kernel immediately hangs on boot.
This is a result of commit
This is my second attempt and is the result of some GREAT feedback
from David Daney and Steven Rostedt.
Function tracing is currently broken for all 32 bit MIPS platforms.
When tracing is enabled, the kernel immediately hangs on boot.
This is a result of commit
On Thu, Jan 17, 2013 at 12:43 AM, Al Cooper alcoop...@gmail.com wrote:
Part of the sequence is addiu sp,sp,-8 in the delay slot after every
call to the trace routine _mcount (some legacy thing where 2 arguments
used to be pushed on the stack). The _mcount routine is expected to
adjust the sp
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