From: Larry Bassel <larry.bassel@linaro.org>
To: catalin.marinas@arm.com, will.deacon@arm.com
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linaro-kernel@lists.linaro.org, khilman@linaro.org,
Larry Bassel <larry.bassel@linaro.org>
Subject: [PATCH v3 0/2] context tracker support for arm64
Date: Fri, 9 May 2014 14:51:48 -0700 [thread overview]
Message-ID: <1399672310-9061-1-git-send-email-larry.bassel@linaro.org> (raw)
Implement and enable context tracking for arm64 (which is
a prerequisite for FULL_NOHZ support). This patchset
builds upon earlier work by Kevin Hilman and is based on 3.15-rc2.
Changes v2 to v3:
* Save/restore necessary registers in ct_user_enter and ct_user_exit
* Annotate "error paths" out of el0_sync with ct_user_exit
Changes v1 to v2:
* Save far_el1 in x26 temporarily
Larry Bassel (2):
arm64: adjust el0_sync so that a function can be called
arm64: enable context tracking
arch/arm64/Kconfig | 1 +
arch/arm64/include/asm/thread_info.h | 1 +
arch/arm64/kernel/entry.S | 76 ++++++++++++++++++++++++++++++++----
3 files changed, 70 insertions(+), 8 deletions(-)
--
1.8.3.2
next reply other threads:[~2014-05-09 21:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-09 21:51 Larry Bassel [this message]
2014-05-09 21:51 ` [PATCH v3 1/2] arm64: adjust el0_sync so that a function can be called Larry Bassel
2014-05-09 21:51 ` [PATCH v3 2/2] arm64: enable context tracking Larry Bassel
2014-05-19 15:32 ` Will Deacon
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