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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 19:28:25 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 19:28:25 +0400 |
| commit | 9bf9b2f3ad6362cdc9ef79291d440a92960b8f51 (patch) | |
| tree | c50a317a619096a6ec84c243fafef50388004df6 /arch/powerpc/boot/main.c | |
| parent | 9779a8325a9bbf4ccd3853e0e4064984cf9da9c9 (diff) | |
| parent | 54622f10a6aabb8bb2bdacf3dd070046f03dc246 (diff) | |
| download | linux-9bf9b2f3ad6362cdc9ef79291d440a92960b8f51.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (53 commits)
powerpc: Support for relocatable kdump kernel
powerpc: Don't use a 16G page if beyond mem= limits
powerpc: Add del_node() for early boot code to prune inapplicable devices.
powerpc: Further compile fixup for STRICT_MM_TYPECHECKS
powerpc: Remove empty #else from signal_64.c
powerpc: Move memory size print into common show_cpuinfo for 32-bit
hvc_console: Remove __devexit annotation of hvc_remove()
hvc_console: Add support for tty window resizing
hvc_console: Fix loop if put_char() returns 0
hvc_console: Add tty driver flag TTY_DRIVER_RESET_TERMIOS
hvc_console: Add a hangup notifier for backends
powerpc/83xx: Add DS1339 RTC support for MPC8349E-mITX boards .dts
powerpc/83xx: Add support for MCU microcontroller in .dts files
powerpc/85xx: Move mpc8572ds.dts to address-cells/size-cells = <2>
of/spi: Support specifying chip select as active high via device tree
powerpc: Remove device_type = "board_control" properties in .dts files
i2c-cpm: Suppress autoprobing for devices
powerpc/85xx: Fix mpc8536ds dma interrupt numbers
powerpc/85xx: Enable enhanced functions for 8536 TSEC
powerpc: Delete unused prom_strtoul and prom_memparse
...
Diffstat (limited to 'arch/powerpc/boot/main.c')
| -rw-r--r-- | arch/powerpc/boot/main.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/powerpc/boot/main.c b/arch/powerpc/boot/main.c index 9e7f3ddd9913..ae32801ebd69 100644 --- a/arch/powerpc/boot/main.c +++ b/arch/powerpc/boot/main.c @@ -56,9 +56,19 @@ static struct addr_range prep_kernel(void) if (platform_ops.vmlinux_alloc) { addr = platform_ops.vmlinux_alloc(ei.memsize); } else { - if ((unsigned long)_start < ei.memsize) + /* + * Check if the kernel image (without bss) would overwrite the + * bootwrapper. The device tree has been moved in fdt_init() + * to an area allocated with malloc() (somewhere past _end). + */ + if ((unsigned long)_start < ei.loadsize) fatal("Insufficient memory for kernel at address 0!" - " (_start=%p)\n\r", _start); + " (_start=%p, uncomressed size=%08x)\n\r", + _start, ei.loadsize); + + if ((unsigned long)_end < ei.memsize) + fatal("The final kernel image would overwrite the " + "device tree\n\r"); } /* Finally, gunzip the kernel */ |