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Groups > linux.kernel > #1368248
| From | Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2 11/11] MIPS: KASLR: Print relocation Information on boot |
| Date | 2016-03-31 14:40 +0200 |
| Message-ID | <riK3h-531-31@gated-at.bofh.it> (permalink) |
| References | <riGVH-2I1-3@gated-at.bofh.it> <riGVI-2I1-17@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hello.
On 3/31/2016 12:05 PM, Matt Redfearn wrote:
> When debugging a relocated kernel, the addresses of the relocated
> symbols and the offset applied is essential information. If the kernel
> is compiled with debugging information, then print this information
> during bootup using the same function as the panic notifer.
Notifier.
> Signed-off-by: Matt Redfearn <matt.redfearn@imgtec.com>
> ---
>
> Changes in v2: None
>
> arch/mips/kernel/setup.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
> index d8376d7b3345..ae71f8d9b555 100644
> --- a/arch/mips/kernel/setup.c
> +++ b/arch/mips/kernel/setup.c
> @@ -477,9 +477,18 @@ static void __init bootmem_init(void)
> */
> if (__pa_symbol(_text) > __pa_symbol(VMLINUX_LOAD_ADDRESS)) {
> unsigned long offset;
> + extern void show_kernel_relocation(const char *level);
>
> offset = __pa_symbol(_text) - __pa_symbol(VMLINUX_LOAD_ADDRESS);
> free_bootmem(__pa_symbol(VMLINUX_LOAD_ADDRESS), offset);
> +
> +#if (defined CONFIG_DEBUG_KERNEL) && (defined CONFIG_DEBUG_INFO)
Not #if defined(CONFIG_DEBUG_KERNEL) && defined(CONFIG_DEBUG_INFO)?
[...]
MBR, Sergei
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[PATCH v2 11/11] MIPS: KASLR: Print relocation Information on boot Matt Redfearn <matt.redfearn@imgtec.com> - 2016-03-31 11:20 +0200
Re: [PATCH v2 11/11] MIPS: KASLR: Print relocation Information on boot Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2016-03-31 14:40 +0200
Re: [PATCH v2 11/11] MIPS: KASLR: Print relocation Information on boot Ralf Baechle <ralf@linux-mips.org> - 2016-04-01 10:50 +0200
Re: [PATCH v2 11/11] MIPS: KASLR: Print relocation Information on boot Matt Redfearn <matt.redfearn@imgtec.com> - 2016-04-01 11:10 +0200
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