summaryrefslogtreecommitdiff
path: root/arch/x86/boot/compressed/misc.c
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2014-12-02 10:58:33 +1000
committerDave Airlie <airlied@redhat.com>2014-12-02 10:58:33 +1000
commite8115e79aa62b6ebdb3e8e61ca4092cc32938afc (patch)
tree42b791ab54ef9d5c73dcd49f907b8b37fa2f7e19 /arch/x86/boot/compressed/misc.c
parent9be23ae4350bfd71c0cc2ea3494671ee90e5603b (diff)
parent009d0431c3914de64666bec0d350e54fdd59df6a (diff)
Merge tag 'v3.18-rc7' into drm-next
This fixes a bunch of conflicts prior to merging i915 tree. Linux 3.18-rc7 Conflicts: drivers/gpu/drm/exynos/exynos_drm_drv.c drivers/gpu/drm/i915/i915_drv.c drivers/gpu/drm/i915/intel_pm.c drivers/gpu/drm/tegra/dc.c
Diffstat (limited to 'arch/x86/boot/compressed/misc.c')
-rw-r--r--arch/x86/boot/compressed/misc.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
index 57ab74df7eea..30dd59a9f0b4 100644
--- a/arch/x86/boot/compressed/misc.c
+++ b/arch/x86/boot/compressed/misc.c
@@ -358,7 +358,8 @@ asmlinkage __visible void *decompress_kernel(void *rmode, memptr heap,
unsigned char *input_data,
unsigned long input_len,
unsigned char *output,
- unsigned long output_len)
+ unsigned long output_len,
+ unsigned long run_size)
{
real_mode = rmode;
@@ -381,8 +382,14 @@ asmlinkage __visible void *decompress_kernel(void *rmode, memptr heap,
free_mem_ptr = heap; /* Heap */
free_mem_end_ptr = heap + BOOT_HEAP_SIZE;
- output = choose_kernel_location(input_data, input_len,
- output, output_len);
+ /*
+ * The memory hole needed for the kernel is the larger of either
+ * the entire decompressed kernel plus relocation table, or the
+ * entire decompressed kernel plus .bss and .brk sections.
+ */
+ output = choose_kernel_location(input_data, input_len, output,
+ output_len > run_size ? output_len
+ : run_size);
/* Validate memory location choices. */
if ((unsigned long)output & (MIN_KERNEL_ALIGN - 1))