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Re: [PATCH] hw/nvram: Avoid unnecessary Xilinx eFuse backstore write


From: Philippe Mathieu-Daudé
Subject: Re: [PATCH] hw/nvram: Avoid unnecessary Xilinx eFuse backstore write
Date: Sat, 29 Apr 2023 00:08:40 +0100
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.10.0

On 26/4/23 23:16, Tong Ho wrote:
Add a check in the bit-set operation to write the backstore
only if the affected bit is 0 before.

With this in place, there will be no need for callers to
do the checking in order to avoid unnecessary writes.

Signed-off-by: Tong Ho <tong.ho@amd.com>
---
  hw/nvram/xlnx-efuse.c | 11 +++++++++--
  1 file changed, 9 insertions(+), 2 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>




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