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Sat, 11 May 2024 12:00:08 -0400 (EDT) From: Jiaxun Yang Subject: [PATCH 0/7] MIPS: clocksource cumulative enhancements Date: Sat, 11 May 2024 17:00:07 +0100 Message-Id: <20240511-mips-clks-v1-0-ddb4a10ee9f9@flygoat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAAeWP2YC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIxMDUwNL3dzMgmLd5JzsYl1LAwNDIzOTtOS0pFQloPqCotS0zAqwWdGxtbU Ac4p0wlsAAAA= To: Thomas Bogendoerfer , Serge Semin , Daniel Lezcano , Thomas Gleixner Cc: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, Jiaxun Yang X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1375; i=jiaxun.yang@flygoat.com; h=from:subject:message-id; bh=whMjsLZJGaUajod7KF9MLT0d0IbLjahrsbL31bpTkAo=; b=owGbwMvMwCHmXMhTe71c8zDjabUkhjT7aZydpf9lAmbv26x/JlJrYalDHmPkAnGFH/c2z8v/o bTUNt++o5SFQYyDQVZMkSVEQKlvQ+PFBdcfZP2BmcPKBDKEgYtTACZyLpDhr9iVKXwL7VZJ5hU/ c/Oavv7C7QQJNtGKy/sPfd6zpejspkuMDJ/O8xrJ81x49OvW8psx2t0aUateyj/PXDJ57hv9ogt n2TgB X-Developer-Key: i=jiaxun.yang@flygoat.com; a=openpgp; fpr=980379BEFEBFBF477EA04EF9C111949073FC0F67 Hi all, This series combined many enhancements for MIPS clocksource subsystems, It improved r4k count synchronisation process, clock source rating for selection, sched_clock eligibility and so on. It seems fixed random RCU stall issue on Loongson 3A4000 multi-node system and some boot failures on QEMU. Please review. Thanks Signed-off-by: Jiaxun Yang --- Jiaxun Yang (7): MIPS: csrc-r4k: Refine rating computation MIPS: csrc-r4k: Apply verification clocksource flags MIPS: csrc-r4k: Select HAVE_UNSTABLE_SCHED_CLOCK if 64BIT MIPS: csrc-r4k: Don't register as sched_clock if unfit MIPS: sync-r4k: Rework based on x86 tsc_sync clocksource: mips-gic-timer: Refine rating computation clocksource: mips-gic-timer: Correct sched_clock width arch/mips/Kconfig | 1 + arch/mips/include/asm/r4k-timer.h | 5 - arch/mips/kernel/csrc-r4k.c | 24 ++- arch/mips/kernel/smp.c | 2 - arch/mips/kernel/sync-r4k.c | 281 +++++++++++++++++++++++++---------- drivers/clocksource/mips-gic-timer.c | 20 ++- 6 files changed, 234 insertions(+), 99 deletions(-) --- base-commit: 704ba27ac55579704ba1289392448b0c66b56258 change-id: 20240509-mips-clks-9001264fcfbe Best regards, -- Jiaxun Yang