[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date: Fri, 9 Sep 2016 14:56:16 +0900
From: Namhyung Kim <namhyung@...nel.org>
To: Kees Cook <keescook@...omium.org>
Cc: LKML <linux-kernel@...r.kernel.org>,
Anton Vorontsov <anton@...msg.org>,
Colin Cross <ccross@...roid.com>,
Tony Luck <tony.luck@...el.com>
Subject: Re: [PATCH v3.1 2/2] pstore/ram: Set pstore flags dynamically
Hi Kees,
On Fri, Sep 9, 2016 at 5:37 AM, Kees Cook <keescook@...omium.org> wrote:
> On Fri, Jul 22, 2016 at 6:45 AM, Namhyung Kim <namhyung@...nel.org> wrote:
>> The ramoops can be configured to enable each pstore type by setting
>> their size. In that case, it'd be better not to register disabled types
>> in the first place.
>>
>> Signed-off-by: Namhyung Kim <namhyung@...nel.org>
>> ---
>> fs/pstore/ram.c | 8 +++++++-
>> include/linux/pstore.h | 2 --
>> 2 files changed, 7 insertions(+), 3 deletions(-)
>>
>> diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c
>> index d08bfd611b11..c5316c0ac756 100644
>> --- a/fs/pstore/ram.c
>> +++ b/fs/pstore/ram.c
>> @@ -539,7 +539,13 @@ static int ramoops_probe(struct platform_device *pdev)
>> goto fail_clear;
>> }
>>
>> - cxt->pstore.flags = PSTORE_FLAGS_ALL;
>> + cxt->pstore.flags = PSTORE_FLAGS_DMESG;
>> + if (cxt->console_size)
>> + cxt->pstore.flags |= PSTORE_FLAGS_CONSOLE;
>> + if (cxt->ftrace_size)
>> + cxt->pstore.flags |= PSTORE_FLAGS_FTRACE;
>> + if (cxt->pmsg_size)
>> + cxt->pstore.flags |= PSTORE_FLAGS_PMSG;
>>
>> err = pstore_register(&cxt->pstore);
>> if (err) {
>> diff --git a/include/linux/pstore.h b/include/linux/pstore.h
>> index 3ba0c1af40e5..a6d80bd960cb 100644
>> --- a/include/linux/pstore.h
>> +++ b/include/linux/pstore.h
>> @@ -78,8 +78,6 @@ struct pstore_info {
>> #define PSTORE_FLAGS_FTRACE (1 << 2)
>> #define PSTORE_FLAGS_PMSG (1 << 3)
>>
>> -#define PSTORE_FLAGS_ALL ((1 << 4) - 1)
>> -
>> extern int pstore_register(struct pstore_info *);
>> extern void pstore_unregister(struct pstore_info *);
>> extern bool pstore_cannot_block_path(enum kmsg_dump_reason reason);
>> --
>> 2.8.0
>>
>
> Hi!
>
> I've pulled this and the 1/2 patch for -next now. I made one small
> change, which was to leave FLAGS_FRAGILE defined as FLAGS_DMESG just
> to make merging the virtio driver easier.
Thanks for your help. :)
Namhyung
Powered by blists - more mailing lists