diff options
| author | Vincenzo Frascino <[email protected]> | 2019-12-05 11:04:51 +0100 |
|---|---|---|
| committer | Russell King <[email protected]> | 2019-12-06 11:51:03 +0000 |
| commit | 04bb96427d4ee33fbdf15648ddf578c6ba1aef54 (patch) | |
| tree | f68ba6c7c2e8fdc5825412c5787cb9c1cb432413 /tools/perf/scripts/python/bin/export-to-postgresql-report | |
| parent | ff98a5f624d2910de050f1fc7f2a32769da86b51 (diff) | |
ARM: 8947/1: Fix __arch_get_hw_counter() access to CNTVCT
__arch_get_hw_counter() should check clock_mode to see if it can access
CNTVCT. With the conversion to unified vDSO this check has been left out.
This causes on imx v6 and v7 (imx_v6_v7_defconfig) and other platforms to
hang at boot during the execution of the init process as per below:
[ 19.976852] Run /sbin/init as init process
[ 20.044931] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x00000004
Fix the problem verifying that clock_mode is set coherently before
accessing CNTVCT.
Investigated-by: Arnd Bergmann <[email protected]>
Reported-by: Guenter Roeck <[email protected]>
Tested-by: Guenter Roeck <[email protected]>
Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
Signed-off-by: Vincenzo Frascino <[email protected]>
Signed-off-by: Russell King <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/bin/export-to-postgresql-report')
0 files changed, 0 insertions, 0 deletions