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| author | Ben Hutchings <[email protected]> | 2020-09-27 21:50:42 +0000 |
|---|---|---|
| committer | Rafael J. Wysocki <[email protected]> | 2020-10-02 17:01:55 +0000 |
| commit | 7cecb47f55e00282f972a1e0b09136c8cd938221 (patch) | |
| tree | bf016b79779583ffdc402c6c94924728e372046c /drivers/usb/cdns3/cdns3-imx.c | |
| parent | Linux 5.9-rc7 (diff) | |
| download | kernel-7cecb47f55e00282f972a1e0b09136c8cd938221.tar.gz kernel-7cecb47f55e00282f972a1e0b09136c8cd938221.zip | |
ACPI / extlog: Check for RDMSR failure
extlog_init() uses rdmsrl() to read an MSR, which on older CPUs
provokes a error message at boot:
unchecked MSR access error: RDMSR from 0x179 at rIP: 0xcd047307 (native_read_msr+0x7/0x40)
Use rdmsrl_safe() instead, and return -ENODEV if it fails.
Reported-by: [email protected]
References: https://bugs.debian.org/971058
Cc: All applicable <[email protected]>
Signed-off-by: Ben Hutchings <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
Diffstat (limited to 'drivers/usb/cdns3/cdns3-imx.c')
0 files changed, 0 insertions, 0 deletions