printf实现流程上会调用cmd为TIOCGWINSZ的ioctl命令,该命令的实现 在console层ConsoleGetWinSize函数中,而此函数copy结果时使用函数 LOS_ArchCopyToUser,由于该过程在内核态,导致LOS_ArchCopyToUser失败, 从而引发printf无法正常打印的问题。 close: #I3UG00 Signed-off-by: zhangfanfan <zhangfanfan2@huawei.com> Change-Id: I3e85f682429cbe30842206842ddb2a8388ec8412 |
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| base | ||
| common | ||
| extended | ||
| include | ||
| user | ||
| BUILD.gn | ||
| Kconfig | ||