On Mon, 2019-10-21 at 11:34 +0800, Jason Yan wrote: > > On 2019/10/10 2:46, Scott Wood wrote: > > On Wed, 2019-10-09 at 16:41 +0800, Jason Yan wrote: > > > Hi Scott, > > > > > > On 2019/10/9 15:13, Scott Wood wrote: > > > > On Wed, 2019-10-09 at 14:10 +0800, Jason Yan wrote: > > > > > Hi Scott, > > > > > > > > > > Would you please take sometime to test this? > > > > > > > > > > Thank you so much. > > > > > > > > > > On 2019/9/24 13:52, Jason Yan wrote: > > > > > > Hi Scott, > > > > > > > > > > > > Can you test v7 to see if it works to load a kernel at a non-zero > > > > > > address? > > > > > > > > > > > > Thanks, > > > > > > > > Sorry for the delay. Here's the output: > > > > > > > > > > Thanks for the test. > > > > > > > ## Booting kernel from Legacy Image at 10000000 ... > > > > Image Name: Linux-5.4.0-rc2-00050-g8ac2cf5b4 > > > > Image Type: PowerPC Linux Kernel Image (gzip compressed) > > > > Data Size: 7521134 Bytes = 7.2 MiB > > > > Load Address: 04000000 > > > > Entry Point: 04000000 > > > > Verifying Checksum ... OK > > > > ## Flattened Device Tree blob at 1fc00000 > > > > Booting using the fdt blob at 0x1fc00000 > > > > Uncompressing Kernel Image ... OK > > > > Loading Device Tree to 07fe0000, end 07fff65c ... OK > > > > KASLR: No safe seed for randomizing the kernel base. > > > > OF: reserved mem: initialized node qman-fqd, compatible id fsl,qman- > > > > fqd > > > > OF: reserved mem: initialized node qman-pfdr, compatible id fsl,qman- > > > > pfdr > > > > OF: reserved mem: initialized node bman-fbpr, compatible id fsl,bman- > > > > fbpr > > > > Memory CAM mapping: 64/64/64 Mb, residual: 12032Mb > > > > > > When boot from 04000000, the max CAM value is 64M. And > > > you have a board with 12G memory, CONFIG_LOWMEM_CAM_NUM=3 means only > > > 192M memory is mapped and when kernel is randomized at the middle of > > > this 192M memory, we will not have enough continuous memory for node > > > map. > > > > > > Can you set CONFIG_LOWMEM_CAM_NUM=8 and see if it works? > > > > OK, that worked. > > > > Hi Scott, any more cases should be tested or any more comments? > What else need to be done before this feature can be merged? I've just applied it and sent a pull request. -Scott
