diff options
author | Matthew McClintock <msm@freescale.com> | 2010-07-21 11:14:54 +0000 |
---|---|---|
committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-07-31 14:56:30 +1000 |
commit | bbc8e30f17077f83fdeeeca0cf70e0f179279282 (patch) | |
tree | eb98a7a41b2e2b690ba8bf235f268b3db08df5b0 /arch/powerpc | |
parent | fc53b4202e61c7e9008c241933ae282aab8a6082 (diff) |
powerpc/crashdump: Fix issues with kexec and 36bit physical addr
Fix sizes of variables so correct values are exported via /proc.
Cast variable in comparison to avoid compiler error.
Signed-off-by: Matthew McClintock <msm@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc')
-rw-r--r-- | arch/powerpc/kernel/crash_dump.c | 4 | ||||
-rw-r--r-- | arch/powerpc/kernel/machine_kexec.c | 10 |
2 files changed, 7 insertions, 7 deletions
diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c index 5fb667a60894..d254132f08f6 100644 --- a/arch/powerpc/kernel/crash_dump.c +++ b/arch/powerpc/kernel/crash_dump.c @@ -128,9 +128,9 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf, if (!csize) return 0; - csize = min(csize, PAGE_SIZE); + csize = min_t(size_t, csize, PAGE_SIZE); - if (pfn < max_pfn) { + if ((min_low_pfn < pfn) && (pfn < max_pfn)) { vaddr = __va(pfn << PAGE_SHIFT); csize = copy_oldmem_vaddr(vaddr, buf, csize, offset, userbuf); } else { diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c index bb3d893a8353..6ff15f03dcc4 100644 --- a/arch/powerpc/kernel/machine_kexec.c +++ b/arch/powerpc/kernel/machine_kexec.c @@ -144,24 +144,24 @@ int overlaps_crashkernel(unsigned long start, unsigned long size) } /* Values we need to export to the second kernel via the device tree. */ -static unsigned long kernel_end; -static unsigned long crashk_size; +static phys_addr_t kernel_end; +static phys_addr_t crashk_size; static struct property kernel_end_prop = { .name = "linux,kernel-end", - .length = sizeof(unsigned long), + .length = sizeof(phys_addr_t), .value = &kernel_end, }; static struct property crashk_base_prop = { .name = "linux,crashkernel-base", - .length = sizeof(unsigned long), + .length = sizeof(phys_addr_t), .value = &crashk_res.start, }; static struct property crashk_size_prop = { .name = "linux,crashkernel-size", - .length = sizeof(unsigned long), + .length = sizeof(phys_addr_t), .value = &crashk_size, }; |