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Groups > linux.kernel > #1214366
| From | Martin Schwidefsky <schwidefsky@de.ibm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2] s390/jump_label: Use %*ph to print small buffers |
| Date | 2015-08-27 09:40 +0200 |
| Message-ID | <q1ZWV-6e9-3@gated-at.bofh.it> (permalink) |
| References | <q1OoP-6rk-39@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, 27 Aug 2015 01:17:46 +0600
Alexander Kuleshov <kuleshovmail@gmail.com> wrote:
> printk() supports %*ph format specifier for printing a small buffers,
> let's use it intead of %02x %02x...
>
> Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com>
> ---
> arch/s390/kernel/jump_label.c | 9 +++------
> 1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/arch/s390/kernel/jump_label.c b/arch/s390/kernel/jump_label.c
> index a902996..1f615f3 100644
> --- a/arch/s390/kernel/jump_label.c
> +++ b/arch/s390/kernel/jump_label.c
> @@ -44,12 +44,9 @@ static void jump_label_bug(struct jump_entry *entry, struct insn *expected,
> unsigned char *ipn = (unsigned char *)new;
>
> pr_emerg("Jump label code mismatch at %pS [%p]\n", ipc, ipc);
> - pr_emerg("Found: %02x %02x %02x %02x %02x %02x\n",
> - ipc[0], ipc[1], ipc[2], ipc[3], ipc[4], ipc[5]);
> - pr_emerg("Expected: %02x %02x %02x %02x %02x %02x\n",
> - ipe[0], ipe[1], ipe[2], ipe[3], ipe[4], ipe[5]);
> - pr_emerg("New: %02x %02x %02x %02x %02x %02x\n",
> - ipn[0], ipn[1], ipn[2], ipn[3], ipn[4], ipn[5]);
> + pr_emerg("Found: %6ph\n", ipc);
> + pr_emerg("Expected: %6ph\n", ipe);
> + pr_emerg("New: %6ph\n", ipn);
> panic("Corrupted kernel text");
> }
Nice. Applied to the s390 features branch. Thanks.
--
blue skies,
Martin.
"Reality continues to ruin my life." - Calvin.
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[PATCH v2] s390/jump_label: Use %*ph to print small buffers Alexander Kuleshov <kuleshovmail@gmail.com> - 2015-08-26 21:20 +0200 Re: [PATCH v2] s390/jump_label: Use %*ph to print small buffers Martin Schwidefsky <schwidefsky@de.ibm.com> - 2015-08-27 09:40 +0200
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