From: Catalin Marinas <catalin.marinas@arm.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Will Deacon <will.deacon@arm.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [GIT PULL] arm64 updates for 4.12
Date: Fri, 5 May 2017 21:16:14 +0100 [thread overview]
Message-ID: <20170505201613.GA26309@e104818-lin.cambridge.arm.com> (raw)
In-Reply-To: <CA+55aFxFoV_BUbQ=fUAWd2WxGRPe3K_eb7yfZYrh7oa6UOgOCA@mail.gmail.com>
On Fri, May 05, 2017 at 12:38:32PM -0700, Linus Torvalds wrote:
> On Fri, May 5, 2017 at 9:13 AM, Catalin Marinas <catalin.marinas@arm.com> wrote:
> > diff --cc arch/arm64/include/asm/bug.h
>
> Hmm. The trivial resolution I did gets a different diff as the end
> result, but your diff looks different.
>
> I think you used "-U2" to make for a smaller and more targeted context..
>
> So I think the trivial resolution is what you meant. But I couldn't
> test it, so I thought I'd mention this oddity.
I indeed used -U2 as I thought that the rest of non-conflicting changes
were just complicating the diff. Sorry about the confusion. Here's the
default diff:
diff --cc arch/arm64/include/asm/bug.h
index a9be1072933c,0bfe1df12b19..000000000000
--- a/arch/arm64/include/asm/bug.h
+++ b/arch/arm64/include/asm/bug.h
@@@ -45,19 -42,27 +42,26 @@@
_BUGVERBOSE_LOCATION(__FILE__, __LINE__) \
".short " #flags "\n\t" \
".popsection\n" \
- \
- "1: brk %[imm]" \
- :: [imm] "i" (BUG_BRK_IMM) \
- )
+ "1: "
+ #else
+ #define __BUG_ENTRY(flags) ""
+ #endif
+
+ #define __BUG_FLAGS(flags) \
+ asm volatile ( \
+ __BUG_ENTRY(flags) \
+ "brk %[imm]" :: [imm] "i" (BUG_BRK_IMM) \
+ );
- #define BUG() do { \
- _BUG_FLAGS(0); \
- unreachable(); \
+
+ #define BUG() do { \
+ __BUG_FLAGS(0); \
+ unreachable(); \
} while (0)
- #define __WARN_FLAGS(flags) _BUG_FLAGS(BUGFLAG_WARNING|(flags))
-#define __WARN_TAINT(taint) \
- __BUG_FLAGS(BUGFLAG_TAINT(taint))
++#define __WARN_FLAGS(flags) __BUG_FLAGS(BUGFLAG_WARNING|(flags))
- #endif /* ! CONFIG_GENERIC_BUG */
+ #define HAVE_ARCH_BUG
#include <asm-generic/bug.h>
--
Catalin
prev parent reply other threads:[~2017-05-05 20:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-05 16:13 [GIT PULL] arm64 updates for 4.12 Catalin Marinas
2017-05-05 19:38 ` Linus Torvalds
2017-05-05 20:16 ` Catalin Marinas [this message]
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=20170505201613.GA26309@e104818-lin.cambridge.arm.com \
--to=catalin.marinas@arm.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=torvalds@linux-foundation.org \
--cc=will.deacon@arm.com \
/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;
as well as URLs for NNTP newsgroup(s).