Searched hist:"05 d9a952832cb206a32e3705eff6edebdb2207e7" (Results 1 – 3 of 3) sorted by relevance
/openbmc/linux/arch/powerpc/kernel/ |
H A D | prom_init_check.sh | diff 05d9a952832cb206a32e3705eff6edebdb2207e7 Wed Sep 11 11:34:33 CDT 2019 Thiago Jung Bauermann <bauerman@linux.ibm.com> powerpc/prom_init: Undo relocation before entering secure mode
The ultravisor will do an integrity check of the kernel image but we relocated it so the check will fail. Restore the original image by relocating it back to the kernel virtual base address.
This works because during build vmlinux is linked with an expected virtual runtime address of KERNELBASE.
Fixes: 6a9c930bd775 ("powerpc/prom_init: Add the ESM call to prom_init") Signed-off-by: Thiago Jung Bauermann <bauerman@linux.ibm.com> Tested-by: Michael Anderson <andmike@linux.ibm.com> [mpe: Add IS_ENABLED() to fix the CONFIG_RELOCATABLE=n build] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20190911163433.12822-1-bauerman@linux.ibm.com
|
H A D | prom_init.c | diff 05d9a952832cb206a32e3705eff6edebdb2207e7 Wed Sep 11 11:34:33 CDT 2019 Thiago Jung Bauermann <bauerman@linux.ibm.com> powerpc/prom_init: Undo relocation before entering secure mode
The ultravisor will do an integrity check of the kernel image but we relocated it so the check will fail. Restore the original image by relocating it back to the kernel virtual base address.
This works because during build vmlinux is linked with an expected virtual runtime address of KERNELBASE.
Fixes: 6a9c930bd775 ("powerpc/prom_init: Add the ESM call to prom_init") Signed-off-by: Thiago Jung Bauermann <bauerman@linux.ibm.com> Tested-by: Michael Anderson <andmike@linux.ibm.com> [mpe: Add IS_ENABLED() to fix the CONFIG_RELOCATABLE=n build] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20190911163433.12822-1-bauerman@linux.ibm.com
|
/openbmc/linux/arch/powerpc/include/asm/ |
H A D | elf.h | diff 05d9a952832cb206a32e3705eff6edebdb2207e7 Wed Sep 11 11:34:33 CDT 2019 Thiago Jung Bauermann <bauerman@linux.ibm.com> powerpc/prom_init: Undo relocation before entering secure mode
The ultravisor will do an integrity check of the kernel image but we relocated it so the check will fail. Restore the original image by relocating it back to the kernel virtual base address.
This works because during build vmlinux is linked with an expected virtual runtime address of KERNELBASE.
Fixes: 6a9c930bd775 ("powerpc/prom_init: Add the ESM call to prom_init") Signed-off-by: Thiago Jung Bauermann <bauerman@linux.ibm.com> Tested-by: Michael Anderson <andmike@linux.ibm.com> [mpe: Add IS_ENABLED() to fix the CONFIG_RELOCATABLE=n build] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20190911163433.12822-1-bauerman@linux.ibm.com
|