linux-kernel - [PATCH v2 0/2] kgdb: Fix kgdb_roundup

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Message-Id: <20181030221843.121254-1-dianders@chromium.org>
Date:   Tue, 30 Oct 2018 15:18:41 -0700
From:   Douglas Anderson <dianders@...omium.org>
To:     Jason Wessel <jason.wessel@...driver.com>,
        Daniel Thompson <daniel.thompson@...aro.org>
Cc:     kgdb-bugreport@...ts.sourceforge.net,
        Peter Zijlstra <peterz@...radead.org>,
        Douglas Anderson <dianders@...omium.org>,
        linux-mips@...ux-mips.org, linux-sh@...r.kernel.org,
        Borislav Petkov <bp@...en8.de>,
        Paul Burton <paul.burton@...s.com>, sparclinux@...r.kernel.org,
        Catalin Marinas <catalin.marinas@....com>,
        James Hogan <jhogan@...nel.org>, linux-hexagon@...r.kernel.org,
        x86@...nel.org, Vineet Gupta <vgupta@...opsys.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Philippe Ombredanne <pombredanne@...b.com>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Will Deacon <will.deacon@....com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        linux-snps-arc@...ts.infradead.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Paul Mackerras <paulus@...ba.org>,
        Ingo Molnar <mingo@...hat.com>,
        Russell King <linux@...linux.org.uk>,
        linux-arm-kernel@...ts.infradead.org,
        Christophe Leroy <christophe.leroy@....fr>,
        Huang Ying <ying.huang@...el.com>,
        "David S. Miller" <davem@...emloft.net>,
        Rich Felker <dalias@...c.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        linux-kernel@...r.kernel.org, Richard Kuo <rkuo@...eaurora.org>,
        linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v2 0/2] kgdb: Fix kgdb_roundup_cpus()

This series was originally part of the series ("serial: Finish kgdb on
qcom_geni; fix many lockdep splats w/ kgdb") but it made sense to
split it up.

It's believed that dropping into kgdb should be more robust once these
patches are applied.

Changes in v2:
- Removing irq flags separated from fixing lockdep splat.
- Don't use smp_call_function (Daniel).

Douglas Anderson (2):
  kgdb: Remove irq flags from roundup
  kgdb: Fix kgdb_roundup_cpus() for arches who used smp_call_function()

 arch/arc/kernel/kgdb.c     | 10 ++--------
 arch/arm/kernel/kgdb.c     | 12 ------------
 arch/arm64/kernel/kgdb.c   | 12 ------------
 arch/hexagon/kernel/kgdb.c | 32 --------------------------------
 arch/mips/kernel/kgdb.c    |  9 +--------
 arch/powerpc/kernel/kgdb.c |  6 +++---
 arch/sh/kernel/kgdb.c      | 12 ------------
 arch/sparc/kernel/smp_64.c |  2 +-
 arch/x86/kernel/kgdb.c     |  9 ++-------
 include/linux/kgdb.h       | 22 ++++++++++++++--------
 kernel/debug/debug_core.c  | 38 +++++++++++++++++++++++++++++++++++++-
 11 files changed, 60 insertions(+), 104 deletions(-)

-- 
2.19.1.568.g152ad8e336-goog