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4fc0f0e947
linux/arch/x86/include/asm/xen
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Peter Zijlstra 4fc0f0e947 x86/uaccess, xen: Suppress SMAP warnings 
drivers/xen/privcmd.o: warning: objtool: privcmd_ioctl()+0x1414: call to hypercall_page() with UACCESS enabled

Some Xen hypercalls allow parameter buffers in user land, so they need
to set AC=1. Avoid the warning for those cases.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Juergen Gross <jgross@suse.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: andrew.cooper3@citrix.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2019-04-03 09:39:46 +02:00
..
cpuid.h xen: update arch/x86/include/asm/xen/cpuid.h 2017-11-06 15:50:17 -05:00
events.h xen: don't include <xen/xen.h> from <asm/io.h> and <asm/dma-mapping.h> 2018-09-26 08:45:18 -06:00
hypercall.h x86/uaccess, xen: Suppress SMAP warnings 2019-04-03 09:39:46 +02:00
hypervisor.h x86/iopl/64: Properly context-switch IOPL on Xen PV 2016-03-17 09:49:26 +01:00
interface_32.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
interface_64.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
interface.h
page-coherent.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
page.h x86/xen: fix pv boot 2018-11-09 08:16:55 +01:00
pci.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
swiotlb-xen.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
trace_types.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00