This patchset builds upon Yicong's previous patches [1].
Introducing fix two race issues found by using TMC-ETR and CATU, Two cleanups found when debugging the issues.
[1] https://lore.kernel.org/linux-arm-kernel/20241202092419.11777-1-yangyicong@h...
--- Changes in v3: - Patches 1: Additional comment for tmc_drvdata::etr_mode. Update comment for tmc_drvdata::reading with Jonathan's Tag. - Patches 2: Replace scoped_guard with guard with Jonathan's Tag. - Patches 2: Fix spinlock to raw_spinlock, and refactor this code based on Leo's suggested solution. - Patches 3: change the size's type to ssize_t and use max_t to simplify the code with Leo's Tag. Link: https://lore.kernel.org/linux-arm-kernel/20250620075412.952934-1-hejunhao3@h...
Changes in v2: - Updated the commit of patch2. - Rebase to v6.16-rc1
Junhao He (1): coresight: tmc: refactor the tmc-etr mode setting to avoid race conditions
Yicong Yang (2): coresight: tmc: Add missing doc including reading and etr_mode of struct tmc_drvdata coresight: tmc: Decouple the perf buffer allocation from sysfs mode
.../hwtracing/coresight/coresight-tmc-etr.c | 110 ++++++++---------- drivers/hwtracing/coresight/coresight-tmc.h | 2 + 2 files changed, 53 insertions(+), 59 deletions(-)