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authorMichael Kelley <mikelley@microsoft.com>2021-04-20 18:44:19 +0300
committerWei Liu <wei.liu@kernel.org>2021-04-20 22:48:15 +0300
commitaa5b7d11c7cb87c266d705b237368985e7171958 (patch)
treea3bce8cb021075c157a6b0909f43a92233440312 /include/asm-generic/mshyperv.h
parent77db0ec8b7764cb9b09b78066ebfd47b2c0c1909 (diff)
downloadlinux-aa5b7d11c7cb87c266d705b237368985e7171958.tar.xz
video: hyperv_fb: Add ratelimit on error message
Due to a full ring buffer, the driver may be unable to send updates to the Hyper-V host. But outputing the error message can make the problem worse because console output is also typically written to the frame buffer. As a result, in some circumstances the error message is output continuously. Break the cycle by rate limiting the error message. Also output the error code for additional diagnosability. Signed-off-by: Michael Kelley <mikelley@microsoft.com> Link: https://lore.kernel.org/r/1618933459-10585-1-git-send-email-mikelley@microsoft.com Signed-off-by: Wei Liu <wei.liu@kernel.org>
Diffstat (limited to 'include/asm-generic/mshyperv.h')
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