On 2018/2/6 14:37, Yang Shunyong wrote: > Loading IORT table from initrd can be used to fix severe firmware > IORT defects temporarily before platform/BIOS vendor releases an > upgraded BIOS binary. > > Moreover, it is very powerful to debug SMMU node/device probe, MSI > allocation, stream id translation and IORT table from firmware. > > It is also very useful to enable SMMU and devices behind SMMU before > firmware is ready. > > This patch adds ACPI_SIG_IORT to the table, which enables IORT > from initrd to override which from firmware. > > Cc: Joey Zheng <yu.zheng@xxxxxxxxxxxxxxxx> > Cc: Wang Dongsheng <dongsheng.wang@xxxxxxxxxxxxxxxx> > Cc: Jiang Yutang <yutang2.jiang@xxxxxxxxxxxxxxxx> > Cc: Hanjun Guo <guohanjun@xxxxxxxxxx> > Signed-off-by: Yang Shunyong <shunyong.yang@xxxxxxxxxxxxxxxx> Acked-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx> Thanks Hanjun -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
