[patch 11/12 v4] x86: reserve setup_data ranges late after parsing memmap cmdline
dyoung at redhat.com
dyoung at redhat.com
Mon Nov 25 03:56:41 EST 2013
Hi,
References: <20131125085630.417850406 at dhcp-16-126.nay.redhat.com>
Content-Disposition: inline; filename=11-reserve-setup-data-late.patch
Kdump kernel using memmap=exactmap, move e820_reserve_setup_data after
parsing early params so they can be set reserved finally. Or kdump kernel
will warn about ioremap a normal ram range.
Signed-off-by: Dave Young <dyoung at redhat.com>
---
arch/x86/kernel/setup.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- efi.orig/arch/x86/kernel/setup.c
+++ efi/arch/x86/kernel/setup.c
@@ -927,8 +927,6 @@ void __init setup_arch(char **cmdline_p)
iomem_resource.end = (1ULL << boot_cpu_data.x86_phys_bits) - 1;
setup_memory_map();
parse_setup_data();
- /* update the e820_saved too */
- e820_reserve_setup_data();
copy_edd();
@@ -990,6 +988,8 @@ void __init setup_arch(char **cmdline_p)
early_dump_pci_devices();
#endif
+ /* update the e820_saved too */
+ e820_reserve_setup_data();
finish_e820_parsing();
if (efi_enabled(EFI_BOOT))
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