On 14/03/2019 15:14, Jan Beulich wrote:
>>>> On 14.03.19 at 14:40, <andrew.coop...@citrix.com> wrote:
>> On 14/03/2019 13:38, Juergen Gross wrote:
>>> On 14/03/2019 14:33, Jan Beulich wrote:
>>>>>>> On 14.03.19 at 10:37, <jgr...@suse.com> wrote:
>>>>> --- a/xen/drivers/char/console.c
>>>>> +++ b/xen/drivers/char/console.c
>>>>> @@ -1225,13 +1225,28 @@ void debugtrace_dump(void)
>>>>> watchdog_enable();
>>>>> }
>>>>>
>>>>> +static void debugtrace_add_to_buf(char *buf)
>>>>> +{
>>>>> + char *p;
>>>>> +
>>>>> + for ( p = buf; *p != '\0'; p++ )
>>>>> + {
>>>>> + debugtrace_buf[debugtrace_prd++] = *p;
>>>>> + /* Always leave a nul byte at the end of the buffer. */
>>>>> + if ( debugtrace_prd == (debugtrace_bytes - 1) )
>>>>> + debugtrace_prd = 0;
>>>>> + }
>>>>> +}
>>>>> +
>>>>> void debugtrace_printk(const char *fmt, ...)
>>>>> {
>>>>> - static char buf[1024];
>>>>> - static u32 count;
>>>>> + static char buf[1024];
>>>>> + static char last_buf[1024];
>>>>> + static u32 count, last_count;
>>>> Please change to uint32_t or even better simply to unsigned int.
>>> Okay.
>>>
>>>>> @@ -1243,25 +1258,32 @@ void debugtrace_printk(const char *fmt, ...)
>>>>>
>>>>> ASSERT(debugtrace_buf[debugtrace_bytes - 1] == 0);
>>>>>
>>>>> - snprintf(buf, sizeof(buf), "%u ", ++count);
>>>>> -
>>>>> va_start(args, fmt);
>>>>> - (void)vsnprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), fmt,
>>>>> args);
>>>>> + (void)vsnprintf(buf, sizeof(buf), fmt, args);
>>>> Please take the opportunity and drop the stray cast.
>>> Will do.
>>
>> Both can be done on commit, surely?
>
> Perhaps, albeit iirc the first would amount to more than just s/u32/.../
> on the line in question.
What else would you want to do?
Juergen
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