linux-kernel - [PATCH 4.4 27/40] MIPS: Remove superfluous check for __linux_

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Date:   Thu, 18 Jul 2019 12:02:23 +0900
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Sean Young <sean@...s.org>,
        Paul Burton <paul.burton@...s.com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        James Hogan <jhogan@...nel.org>, linux-mips@...ux-mips.org,
        Hauke Mehrtens <hauke@...ke-m.de>
Subject: [PATCH 4.4 27/40] MIPS: Remove superfluous check for __linux__

From: Sean Young <sean@...s.org>

commit 1287533d3d95d5ad8b02773733044500b1be06bc upstream.

When building BPF code using "clang -target bpf -c", clang does not
define __linux__.

To build BPF IR decoders the include linux/lirc.h is needed which
includes linux/types.h. Currently this workaround is needed:

https://git.linuxtv.org/v4l-utils.git/commit/?id=dd3ff81f58c4e1e6f33765dc61ad33c48ae6bb07

This check might otherwise be useful to stop users from using a non-linux
compiler, but if you're doing that you are going to have a lot more
trouble anyway.

Signed-off-by: Sean Young <sean@...s.org>
Signed-off-by: Paul Burton <paul.burton@...s.com>
Patchwork: https://patchwork.linux-mips.org/patch/21149/
Cc: Ralf Baechle <ralf@...ux-mips.org>
Cc: James Hogan <jhogan@...nel.org>
Cc: linux-mips@...ux-mips.org
Cc: linux-kernel@...r.kernel.org
Cc: Hauke Mehrtens <hauke@...ke-m.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/mips/include/uapi/asm/sgidefs.h |    8 --------
 1 file changed, 8 deletions(-)

--- a/arch/mips/include/uapi/asm/sgidefs.h
+++ b/arch/mips/include/uapi/asm/sgidefs.h
@@ -11,14 +11,6 @@
 #define __ASM_SGIDEFS_H
 
 /*
- * Using a Linux compiler for building Linux seems logic but not to
- * everybody.
- */
-#ifndef __linux__
-#error Use a Linux compiler or give up.
-#endif
-
-/*
  * Definitions for the ISA levels
  *
  * With the introduction of MIPS32 / MIPS64 instruction sets definitions