From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Bradley Morgan <include@grrlz.net>
Cc: Petr Mladek <pmladek@suse.com>,
Feng Tang <feng.tang@linux.alibaba.com>,
Andrew Morton <akpm@linux-foundation.org>,
Madhavan Srinivasan <maddy@linux.ibm.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Nicholas Piggin <npiggin@gmail.com>,
Christophe Leroy <chleroy@kernel.org>,
Mukesh Kumar Chaurasiya <mchauras@linux.ibm.com>,
Jinchao Wang <wangjinchao600@gmail.com>,
Kees Cook <kees@kernel.org>, Rio <rioo.tsukatsukii@gmail.com>,
Joel Granados <joel.granados@kernel.org>,
Pnina Feder <pnina.feder@mobileye.com>,
Petr Pavlu <petr.pavlu@suse.com>,
Sergey Senozhatsky <senozhatsky@chromium.org>,
Douglas Anderson <dianders@chromium.org>,
Mayank Rungta <mrungta@google.com>, Tejun Heo <tj@kernel.org>,
Zhenguo Yao <yaozhenguo1@gmail.com>,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH v2 1/4] sys_info: add helper for callers that handle all_bt
Date: Tue, 23 Jun 2026 23:11:27 +0300 [thread overview]
Message-ID: <ajrob9r6cVtxqv72@ashevche-desk.local> (raw)
In-Reply-To: <9b8c96e291696815d3c7de5d3e199298dee0279d.1782228656.git.include@grrlz.net>
On Tue, Jun 23, 2026 at 03:34:58PM +0000, Bradley Morgan wrote:
> Some callers handle SYS_INFO_ALL_BT themselves before calling sys_info().
> Add a helper that strips that bit without turning an all_bt only mask into
> a kernel_sys_info fallback.
You also want a getter with check
bool sysinfo_is_all_bt_enabled(..., *si_mask)
where *si_mask is the result of READ_ONCE() that you keep as implementation
detail inside this helper.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2026-06-23 20:12 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-23 15:34 [PATCH v2 1/4] sys_info: add helper for callers that handle all_bt Bradley Morgan
2026-06-23 15:34 ` [PATCH v2 2/4] watchdog: avoid sys_info fallback for all_bt Bradley Morgan
2026-06-23 15:35 ` [PATCH v2 3/4] powerpc/watchdog: " Bradley Morgan
2026-06-23 15:35 ` [PATCH v2 4/4] panic: avoid duplicate all CPU backtraces from sys_info Bradley Morgan
2026-06-23 20:11 ` Andy Shevchenko [this message]
2026-06-23 20:14 ` [PATCH v2 1/4] sys_info: add helper for callers that handle all_bt Andy Shevchenko
2026-06-23 20:16 ` Bradley Morgan
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