linux/arch/x86/xen
Daniel Kiper c7341d6a61 arch/x86/xen: Silence compiler warnings
Compiler complains in the following way when x86 32-bit kernel
with Xen support is build:

  CC      arch/x86/xen/enlighten.o
arch/x86/xen/enlighten.c: In function ‘xen_start_kernel’:
arch/x86/xen/enlighten.c:1726:3: warning: right shift count >= width of type [enabled by default]

Such line contains following EFI initialization code:

boot_params.efi_info.efi_systab_hi = (__u32)(__pa(efi_systab_xen) >> 32);

There is no issue if x86 64-bit kernel is build. However, 32-bit case
generate warning (even if that code will not be executed because Xen
does not work on 32-bit EFI platforms) due to __pa() returning unsigned long
type which has 32-bits width. So move whole EFI initialization stuff
to separate function and build it conditionally to avoid above mentioned
warning on x86 32-bit architecture.

Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>
Reviewed-by: Konrad Rzeszutek Wilk <Konrad.wilk@oracle.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
2014-07-18 21:24:03 +01:00
..
apic.c
debugfs.c
debugfs.h
efi.c arch/x86/xen: Silence compiler warnings 2014-07-18 21:24:03 +01:00
enlighten.c arch/x86/xen: Silence compiler warnings 2014-07-18 21:24:03 +01:00
grant-table.c xen/pvh: Fix misplaced kfree from xlated_setup_gnttab_pages 2014-01-31 09:48:58 -05:00
irq.c asmlinkage, x86: Add explicit __visible to arch/x86/* 2014-05-05 16:07:44 -07:00
Kconfig Support PCI devices with multiple MSIs, performance improvement for 2014-04-03 14:01:37 -07:00
Makefile arch/x86/xen: Silence compiler warnings 2014-07-18 21:24:03 +01:00
mmu.c Merge branch 'x86/vdso' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-05 08:05:29 -07:00
mmu.h
multicalls.c
multicalls.h
p2m.c x86/xen: set regions above the end of RAM as 1:1 2014-05-15 16:15:18 +01:00
pci-swiotlb-xen.c pci-swiotlb-xen: call pci_request_acs only ifdef CONFIG_PCI 2013-11-08 15:21:44 -05:00
platform-pci-unplug.c xen/pvhvm: Remove the xen_platform_pci int. 2014-01-03 14:54:53 -05:00
setup.c Merge branch 'x86/vdso' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-05 08:05:29 -07:00
smp.c x86/xen: Fix 32-bit PV guests's usage of kernel_stack 2014-04-15 15:00:14 +01:00
smp.h
spinlock.c xen/spinlock: Don't enable them unconditionally. 2014-04-15 17:41:28 +01:00
suspend.c xen: refactor suspend pre/post hooks 2014-05-12 17:19:56 +01:00
time.c xen/x86: set VIRQ_TIMER priority to maximum 2014-01-06 10:07:55 -05:00
trace.c
vdso.h
vga.c
xen-asm_32.S x86/xen: Fix 32-bit PV guests's usage of kernel_stack 2014-04-15 15:00:14 +01:00
xen-asm_64.S
xen-asm.h
xen-asm.S
xen-head.S xen/pvh: Support ParaVirtualized Hardware extensions (v3). 2014-01-06 10:44:24 -05:00
xen-ops.h arch/x86/xen: Silence compiler warnings 2014-07-18 21:24:03 +01:00