From: Lancelot SIX <lsix@lancelotsix.com>
To: Luis Machado <luis.machado@arm.com>
Cc: thiago.bauermann@linaro.org, gdb-patches@sourceware.org
Subject: Re: [PATCH,v3] [aarch64] Fix removal of non-address bits for PAuth
Date: Fri, 23 Sep 2022 07:58:07 +0000 [thread overview]
Message-ID: <20220923075807.6pffexs3kncrk6qo@ubuntu.lan> (raw)
In-Reply-To: <b79d6348-af57-9734-ce40-c4eca6cc0e06@arm.com>
>
> If either one of the register reads fail, then we assign the default MASK. Otherwise we
> continue with using the mask that's been read from the register.
>
> Does that make sense?
>
Yes of curse, I have no idea how I read this wrong. My bad. Sorry for
the noise.
>
> Although this is only used on Linux systems at the moment, it is not technically Linux-specific.
>
> When we say kernel-space, it means the other half of the VA space (non-user).
>
> I have an upcoming patch (relying on this one) to use this function for bare metal pointer authentication
> support (with user QEMU). So I think it makes sense to have this function in arch-specific code
> and not in Linux-specific code.
>
Thanks, for the clarification.
As far as I can tell, this looks reasonable, I’ll leave it to a
maintainer to approve.
Best,
Lanelot.
next prev parent reply other threads:[~2022-09-23 7:58 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-05 14:00 [PATCH] [AArch64] " Luis Machado
2022-07-05 18:12 ` John Baldwin
2022-07-06 11:38 ` Lancelot SIX
2022-07-08 11:36 ` Luis Machado
2022-07-11 11:55 ` [PATCH,v2] [aarch64] " Luis Machado
2022-07-18 8:16 ` [Ping v1][PATCH,v2] " Luis Machado
2022-08-01 11:09 ` [Ping v2][PATCH,v2] " Luis Machado
2022-08-08 11:34 ` [Ping v3][PATCH,v2] " Luis Machado
2022-08-18 15:49 ` [Ping v4][PATCH,v2] " Luis Machado
2022-08-18 23:47 ` [PATCH,v2] " Thiago Jung Bauermann
2022-08-19 9:52 ` Luis Machado
2022-08-19 14:06 ` Thiago Jung Bauermann
2022-08-23 20:29 ` [PATCH,v3] " Luis Machado
2022-08-24 18:44 ` Thiago Jung Bauermann
2022-09-01 9:29 ` [PING][PATCH,v3] " Luis Machado
2022-09-07 8:21 ` Luis Machado
2022-09-12 12:47 ` Luis Machado
2022-09-20 12:26 ` Luis Machado
2022-09-22 12:59 ` [PATCH,v3] " Lancelot SIX
2022-09-22 16:39 ` Luis Machado
2022-09-23 7:58 ` Lancelot SIX [this message]
2022-10-03 11:37 ` [PING][PATCH,v3] " Luis Machado
2022-10-10 12:18 ` Luis Machado
2022-10-17 10:04 ` Luis Machado
2022-10-25 13:52 ` Luis Machado
2022-11-10 1:00 ` Luis Machado
2022-11-29 22:19 ` Luis Machado
2022-12-09 16:42 ` Luis Machado
2022-12-09 19:14 ` [PATCH,v3] " Simon Marchi
2022-12-12 14:21 ` Luis Machado
2022-12-12 15:07 ` Simon Marchi
2022-12-12 17:13 ` [PATCH v4] " Luis Machado
2022-12-12 18:54 ` Simon Marchi
2022-12-13 9:18 ` Luis Machado
2022-12-13 10:27 ` [PATCH v5] " Luis Machado
2022-12-16 10:57 ` [PATCH v6] " Luis Machado
2022-12-16 11:20 ` Luis Machado
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