Bug 1430912
| Summary: | aarch64/seattle softiron 3k unbalanced enable for IRQ XX in 4.11rc1 | ||
|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Jeremy Linton <jeremy.linton> |
| Component: | kernel | Assignee: | Kernel Maintainer List <kernel-maint> |
| Status: | CLOSED CURRENTRELEASE | QA Contact: | Fedora Extras Quality Assurance <extras-qa> |
| Severity: | unspecified | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | rawhide | CC: | cz172638, gansalmon, ichavero, itamar, jonathan, kernel-maint, madhu.chinakonda, mchehab, pbrobinson |
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | aarch64 | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2017-07-01 15:34:27 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | |||
| Bug Blocks: | 245418 | ||
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Description
Jeremy Linton
2017-03-09 20:54:33 UTC
A fix is being merged: https://www.mail-archive.com/netdev@vger.kernel.org/msg157242.html This landed in 4.11rc3:
commit d7aba644ffdebf756e51e26a2229055211838e89
Author: Lendacky, Thomas <Thomas.Lendacky>
Date: Thu Mar 9 17:48:23 2017 -0600
amd-xgbe: Enable IRQs only if napi_complete_done() is true
Depending on the hardware, the amd-xgbe driver may use disable_irq_nosync()
and enable_irq() when an interrupt is received to process Rx packets. If
the napi_complete_done() return value isn't checked an unbalanced enable
for the IRQ could result, generating a warning stack trace.
Update the driver to only enable interrupts if napi_complete_done() returns
true.
Reported-by: Jeremy Linton <jeremy.linton>
Signed-off-by: Tom Lendacky <thomas.lendacky>
Signed-off-by: David S. Miller <davem>
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