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Re: [RFC 0/2] tls: add macros for coroutine-safe TLS variables


From: Richard Henderson
Subject: Re: [RFC 0/2] tls: add macros for coroutine-safe TLS variables
Date: Tue, 26 Oct 2021 08:10:16 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0

On 10/26/21 6:22 AM, Stefan Hajnoczi wrote:
If "safe" TLS variables are opt-in then we'll likely have obscure bugs
when code changes to access a TLS variable that was previously never
accessed from a coroutine. There is no compiler error and no way to
detect this. When it happens debugging it is painful.

Co-routines are never used in user-only builds.


r~



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