Re: [PATCH 4/4] parisc: Reduce sigreturn trampoline to 3 instructions

To: Helge Deller <deller@xxxxxx>, linux-parisc@xxxxxxxxxxxxxxx
Subject: Re: [PATCH 4/4] parisc: Reduce sigreturn trampoline to 3 instructions
From: John David Anglin <dave.anglin@xxxxxxxx>
Date: Tue, 16 Nov 2021 12:08:49 -0500
Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
In-reply-to: <e6f05692-d275-589e-46aa-32e29765f373@bell.net>
References: <20210908204405.127665-1-deller@gmx.de> <20210908204405.127665-4-deller@gmx.de> <689b8410-5384-f77d-0724-eddbb4452368@bell.net> <b2abc63f-a898-c925-1fc7-af5cf4930f6d@gmx.de> <e6f05692-d275-589e-46aa-32e29765f373@bell.net>
User-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.3.1

On 2021-11-16 10:31 a.m., John David Anglin wrote:

I don't know what's wrong with it.  I have reverted it for now.

I think problem must be with cache flush range.

Dave

--
John David Anglin  dave.anglin@xxxxxxxx

Follow-Ups:
- Re: [PATCH 4/4] parisc: Reduce sigreturn trampoline to 3 instructions
  - From: Helge Deller

References:
- [PATCH 1/4] parisc: Drop strnlen_user() in favour of generic version
  - From: Helge Deller
- [PATCH 4/4] parisc: Reduce sigreturn trampoline to 3 instructions
  - From: Helge Deller
- Re: [PATCH 4/4] parisc: Reduce sigreturn trampoline to 3 instructions
  - From: John David Anglin
- Re: [PATCH 4/4] parisc: Reduce sigreturn trampoline to 3 instructions
  - From: Helge Deller
- Re: [PATCH 4/4] parisc: Reduce sigreturn trampoline to 3 instructions
  - From: John David Anglin