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Message-ID: <20220410152636.GM7074@brightrain.aerifal.cx>
Date: Sun, 10 Apr 2022 11:26:36 -0400
From: Rich Felker <dalias@...c.org>
To: Arnd Bergmann <arnd@...nel.org>
Cc: musl@...ts.openwall.com, Christian Brauner <brauner@...nel.org>
Subject: Re: Re: add loongarch64 port
On Sun, Apr 10, 2022 at 12:30:59PM +0200, Arnd Bergmann wrote:
> On Sat, Apr 9, 2022 at 3:31 PM Rich Felker <dalias@...c.org> wrote:
> >
> > Actually, if there aren't yet archs lacking SYS_clone, this API
> > regression may be a good argument not to drop SYS_clone on new archs
> > yet until there's a way for new archs to get the same behavior
> > (unspecified stack size).
>
> That is a good point, but it also appears that the behavior of
> clone3() is unintentional
> here, I'm fairly sure it was meant to be a drop-in replacement for clone() with
> additional features.
>
> Not sure what the best fix for this is, as the check for size==0 was clearly
> intentional, but seems to prevent this from working. A special flag to ignore
> the size, or a magic size value like -1ull might work, but neither of them
> is a great interface.
Are there archs already affected, or will this one be the first?
Rich
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