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From: Florian Weimer <fw@deneb.enyo.de>
To: Vineet Gupta via Libc-alpha <libc-alpha@sourceware.org>
Cc: Vineet Gupta <Vineet.Gupta1@synopsys.com>,
	"linux-snps-arc@lists.infradead.org"
	<linux-snps-arc@lists.infradead.org>,
	Joseph Myers <joseph@codesourcery.com>
Subject: Re: [PATCH v3] Make any 32-bit time based syscalls unavailable for TIMESIZE==64
Date: Sat, 18 Apr 2020 18:50:19 +0200	[thread overview]
Message-ID: <87y2qs68ms.fsf@mid.deneb.enyo.de> (raw)
In-Reply-To: <46b17be4-da49-a6d3-3a07-accf406302b7@synopsys.com> (Vineet Gupta via Libc-alpha's message of "Sat, 18 Apr 2020 00:28:30 +0000")

* Vineet Gupta via Libc-alpha:

> On 4/13/20 2:12 PM, Vineet Gupta via Libc-alpha wrote:
>> On 4/6/20 11:54 AM, Vineet Gupta wrote:
>>> On 3/31/20 2:47 PM, Vineet Gupta via Libc-alpha wrote:
>>>> From: Vineet Gupta via Libc-alpha <libc-alpha@sourceware.org>
>>>>
>>>> An older asm-generic syscall ABI may have kernel provide 32-bit
>>>> time syscalls, so undef them to not mix 32/64 in 64-bit time regime.
>>>>
>>>> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
>>>
>>> ping !
>> 
>> ping ^2 !
>
> If this is not suitable for common code, I'd still like to add this
> as part of ARC port to safe guard against future snafus.

Have you tried to add the #undefs to fixup-asm-unistd.h?
See sysdeps/unix/sysv/linux/arm/fixup-asm-unistd.h for an example.

I have not tried if #undefs work there, but they should.  If not, we
can fix that.

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  reply	other threads:[~2020-04-18 16:50 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-24 18:34 [PATCH] Force 64-bit time based syscalls for TIMESIZE==64 on 32-bit arches Vineet Gupta
2020-02-25  0:59 ` Alistair Francis
2020-02-25  1:16   ` Vineet Gupta
2020-02-25  9:27 ` Florian Weimer
2020-03-11 18:44   ` Vineet Gupta
2020-03-12 18:33   ` [PATCH v2] Force 64-bit time based syscalls for TIMESIZE==64 Vineet Gupta
2020-03-31 21:47     ` [PATCH v3] Make any 32-bit time based syscalls unavailable " Vineet Gupta
2020-04-06 18:54       ` Vineet Gupta
2020-04-13 21:12         ` Vineet Gupta
2020-04-18  0:28           ` Vineet Gupta
2020-04-18 16:50             ` Florian Weimer [this message]
2020-04-22 23:01               ` Vineet Gupta

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