Greetings.
I am currently porting the kernel to an ARM development board and have
succesfully got things working (as far as I can tell) to the point where
the serial console is printing out lines from 'printk', it gets all the
way to where it succesfully mounts a ramdisk using 'initrd' and the dies
inside 'flush_old_exec' specifically in the call to 'exec_mmap' where the
switch to the newly allocated page tables for the '/sbin/init' process
takes place. This is done in the call to 'set_pgd' which loads the base
page table register with the physical address of the new page table as
well as flushing the TLB. However, if I comment out the TLB flush and just
load the new page table location, things proceed just fine and crash further
down when trying to actually map in the ELF file. Could someone give me
insight into why this might be acting this way? I have posted to the ARM
mailing list also, but I felt that this was a general enough question. TIA.
-Steve
-- Steven J. Hill - Embedded SW Engineer Public Key: 'finger sjhill@mail.cotw.com' FPR1: E124 6E1C AF8E 7802 A815 FPR2: 7D72 829C 3386 4C4A E17D- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
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