AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-26 18:20:53 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

ARM: initrd: disable initrds outside of memory

Browse Source 
We can't cope with initrds outside of memory, so check that the
initrd is within some declared memory to the kernel before using
it.  Otherwise we're likely to OOPS during boot.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2011-06-11 00:43:21 +01:00
parent 099b4d3b47
commit 8f4b8c7613
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/arm/mm/init.c
View File

@ -330,6 +330,12 @@ void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc)
memblock_reserve(__pa(_stext), _end - _stext);
#endif
#ifdef CONFIG_BLK_DEV_INITRD
if (phys_initrd_size &&
!memblock_is_region_memory(phys_initrd_start, phys_initrd_size)) {
pr_err("INITRD: 0x%08lx+0x%08lx is not a memory region - disabling initrd\n",
phys_initrd_start, phys_initrd_size);
phys_initrd_start = phys_initrd_size = 0;
}
if (phys_initrd_size &&
memblock_is_region_reserved(phys_initrd_start, phys_initrd_size)) {
pr_err("INITRD: 0x%08lx+0x%08lx overlaps in-use memory region - disabling initrd\n",