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| author |   Peter Zijlstra <peterz@infradead.org> | 2019-03-06 19:09:08 +0100 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2019-04-03 09:39:46 +0200 |
| commit | 4fc0f0e9471ec573ab2d44e7f462d996d614536e (patch) | |
| tree | 3c973eefcbf1cde7b61fb5aec5d2a1c4673218bb /arch/x86/include/asm/uaccess.h | |
| parent | x86/nospec, objtool: Introduce ANNOTATE_IGNORE_ALTERNATIVE (diff) | |
| download | linux-dev-4fc0f0e9471ec573ab2d44e7f462d996d614536e.tar.xz linux-dev-4fc0f0e9471ec573ab2d44e7f462d996d614536e.zip | |
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>
Diffstat (limited to 'arch/x86/include/asm/uaccess.h')
0 files changed, 0 insertions, 0 deletions