From: "Tiwei Bie" <tiwei.btw@antgroup.com>
To: Johannes Berg <johannes@sipsolutions.net>,
richard@nod.at, anton.ivanov@cambridgegreys.com
Cc: linux-um@lists.infradead.org
Subject: Re: [PATCH v2 1/4] um: Add pthread-based helper support
Date: Tue, 18 Mar 2025 22:55:28 +0800 [thread overview]
Message-ID: <870c3af1-10e3-4629-93de-cb92a83de00d@antgroup.com> (raw)
In-Reply-To: <bacc4abaaec8c254e33974d63482575e8e9448aa.camel@sipsolutions.net>
On 2025/3/18 21:16, Johannes Berg wrote:
> On Tue, 2025-03-18 at 14:06 +0100, Johannes Berg wrote:
>> On Thu, 2025-03-06 at 23:07 +0800, Tiwei Bie wrote:
>>> Introduce a new set of utility functions that can be used to create
>>> pthread-based helpers. Helper threads created in this way will ensure
>>> thread safety for errno while sharing the same memory space.
>>
>> Using pthreads seemed odd, but Benjamin argues that it's the only way to
>> get libc to really sort it all out, unless we never use libc syscall
>> functions, which is probably kind of unreasonable? Or maybe we could?
>
> It's a long list of symbols that are needed:
> https://p.sipsolutions.net/2f0c8e0de1e69147.txt
Thanks for the list! That's indeed a long one.
Regards,
Tiwei
next prev parent reply other threads:[~2025-03-18 14:56 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-06 15:07 [PATCH v2 0/4] um: Make errno multi-thread safe Tiwei Bie
2025-03-06 15:07 ` [PATCH v2 1/4] um: Add pthread-based helper support Tiwei Bie
2025-03-18 13:06 ` Johannes Berg
2025-03-18 13:16 ` Johannes Berg
2025-03-18 14:55 ` Tiwei Bie [this message]
2025-03-25 16:31 ` Benjamin Berg
2025-03-26 6:30 ` Tiwei Bie
2025-03-18 15:00 ` Tiwei Bie
2025-03-19 9:11 ` Johannes Berg
2025-03-19 12:07 ` Tiwei Bie
2025-03-06 15:07 ` [PATCH v2 2/4] um: ubd: Switch to the pthread-based helper Tiwei Bie
2025-03-06 15:07 ` [PATCH v2 3/4] um: Switch to the pthread-based helper in sigio workaround Tiwei Bie
2025-03-06 15:07 ` [PATCH v2 4/4] um: Prohibit the VM_CLONE flag in run_helper_thread() Tiwei Bie
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