From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aaron Ma Date: Tue, 6 Jul 2021 14:42:01 +0800 Subject: [Intel-wired-lan] [PATCH 1/2] igc: don't rd/wr iomem when PCI is removed In-Reply-To: References: <20210702045120.22855-1-aaron.ma@canonical.com> Message-ID: <53691935-daee-9acc-93d2-414fb11ce2bc@canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: On 7/5/21 3:47 PM, Dave Airlie wrote: > Drive-by, but won't this add a lot of overhead on every register > access? has this been benchmarked with lots of small network transfers > or anything? > iperf3 is tested, the result is the same as before. Due to the registers are rd/wr even after error_handler and remove. Didn't find better fix. Please let me know if you have any idea. Thanks, Aaron > Dave.