public inbox for linux-arm-kernel@lists.infradead.org
 help / color / mirror / Atom feed
From: ynorov@caviumnetworks.com (Yury Norov)
To: linux-arm-kernel@lists.infradead.org
Subject: [question] pread2, pwrite2 unistd symbols for compat
Date: Mon, 2 May 2016 16:47:06 +0300	[thread overview]
Message-ID: <20160502134706.GA11396@yury-N73SV> (raw)

Hi Andre, 

In patch 987aedb5d (eneric syscalls: wire up preadv2 and pwritev2
syscalls) you add those syscalls with __SYSCALL macro. However,
compat architectures that does not use generic unistd (mips, s390),
declare compat version in their syscall tables. Maybe we'd replace
__SYSCALL macro with __SC_COMP?

Yury.


diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index 723479c..6ed4613 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -721,9 +721,9 @@ __SC_WRAP(__NR_mlock2, sys_mlock2)
 #define __NR_copy_file_range 285
 __SC_WRAP(__NR_copy_file_range, sys_copy_file_range)
 #define __NR_preadv2 286
-__SYSCALL(__NR_preadv2, sys_preadv2)
+__SC_COMP(__NR_preadv2, sys_preadv2, compat_sys_preadv2)
 #define __NR_pwritev2 287
-__SYSCALL(__NR_pwritev2, sys_pwritev2)
+__SC_COMP(__NR_pwritev2, sys_pwritev2, compat_sys_pwritev2)
 
 #undef __NR_syscalls
 #define __NR_syscalls 288

             reply	other threads:[~2016-05-02 13:47 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-02 13:47 Yury Norov [this message]
2016-05-02 15:20 ` [question] pread2, pwrite2 unistd symbols for compat Arnd Bergmann
2016-05-02 15:22   ` Christoph Hellwig
2016-05-02 15:40     ` Arnd Bergmann

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20160502134706.GA11396@yury-N73SV \
    --to=ynorov@caviumnetworks.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox