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Alexander Usyskin authored
Under memory pressure recv fails due to kmalloc failure, and if drivers(pxp) retry send/receive, send blocks indefinitely. Send without recv leaves the channel in a bad state. Retry send attempt after small timeout and reset the channel if the retry failed on kmalloc failure too. Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Alan Previn <alan.previn.teres.alexis@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20231011110157.247552-3-tomas.winkler@intel.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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