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From: Samuel Thibault <samuel.thibault@gnu.org>
To: Sergey Bugaev <bugaevc@gmail.com>
Cc: Adhemerval Zanella Netto <adhemerval.zanella@linaro.org>,
	"H.J. Lu" <hjl.tools@gmail.com>,
	libc-alpha@sourceware.org, bug-hurd@gnu.org,
	Luca <luca@orpolo.org>
Subject: Re: [VERY RFC PATCH 2/2] hurd: Make it possible to call memcpy very early
Date: Sat, 22 Apr 2023 18:20:36 +0200	[thread overview]
Message-ID: <20230422162036.wfsocspdiviiq2fe@begin> (raw)
In-Reply-To: <CAN9u=HeFeDedCsrLXyt0HfTetK5LWcODM9X-=vVboYFEj4FyYQ@mail.gmail.com>

Sergey Bugaev, le sam. 22 avril 2023 15:18:08 +0300, a ecrit:
> We should only need to de-ifunc-ify init-first.c,
> thread_set_state, hurdstartup.c, and exec_startup_get_info. If they
> all go through __mig_memcpy which is in a separate translation unit,
> we'd have to make __mig_memcpy slow for everyone; but if they call
> memcpy directly, we can selectively make only those ones use the slow
> memcpy.

But what about the memcpy calls from the RPC stubs used by the init
code?

Samuel

  reply	other threads:[~2023-04-22 16:20 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-20 18:42 [PATCH 1/2] hurd: Don't migrate reply port into __init1_tcbhead Sergey Bugaev
2023-04-20 18:42 ` [VERY RFC PATCH 2/2] hurd: Make it possible to call memcpy very early Sergey Bugaev
2023-04-20 20:25   ` H.J. Lu
2023-04-20 20:38     ` Adhemerval Zanella Netto
2023-04-21  9:27       ` Sergey Bugaev
2023-04-21 11:50         ` Adhemerval Zanella Netto
2023-04-21 12:38           ` Sergey Bugaev
2023-04-21 12:58             ` Adhemerval Zanella Netto
2023-04-21 13:56               ` Sergey Bugaev
2023-04-21 14:28                 ` Adhemerval Zanella Netto
2023-04-22 11:59                 ` Samuel Thibault
2023-04-22 12:18                   ` Sergey Bugaev
2023-04-22 16:20                     ` Samuel Thibault [this message]
2023-04-22 17:04                       ` Sergey Bugaev
2023-04-21 11:51     ` Sergey Bugaev
2023-04-21  1:02 ` [PATCH 1/2] hurd: Don't migrate reply port into __init1_tcbhead Samuel Thibault

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