linux-kernel - [PATCH 0/5] xtensa: enable context tracking and VIRT_CPU_ACCOUNTING

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Date:   Mon, 18 Apr 2022 10:12:00 -0700
From:   Max Filippov <jcmvbkbc@...il.com>
To:     linux-xtensa@...ux-xtensa.org
Cc:     Chris Zankel <chris@...kel.net>, linux-kernel@...r.kernel.org,
        Max Filippov <jcmvbkbc@...il.com>
Subject: [PATCH 0/5] xtensa: enable context tracking and VIRT_CPU_ACCOUNTING_GEN

Hello,

this series adds context tracking on xtensa and enables
HAVE_VIRT_CPU_ACCOUNTING_GEN allowing to build full tickless kernel.

Max Filippov (5):
  xtensa: drop dead code from entry.S
  xtensa: move trace_hardirqs_off call back to entry.S
  xtensa: use abi_* register names in the kernel exit code
  xtensa: enable context tracking
  xtensa: enable HAVE_VIRT_CPU_ACCOUNTING_GEN

 .../time/context-tracking/arch-support.txt    |   2 +-
 .../time/virt-cpuacct/arch-support.txt        |   2 +-
 arch/xtensa/Kconfig                           |   2 +
 arch/xtensa/kernel/entry.S                    | 120 +++++++++---------
 arch/xtensa/kernel/traps.c                    |  11 +-
 5 files changed, 66 insertions(+), 71 deletions(-)

-- 
2.30.2