diff options
| author |   Andy Lutomirski <luto@kernel.org> | 2016-04-02 07:01:32 -0700 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2016-04-13 11:37:44 +0200 |
| commit | 7bbcdb1ca4d2fd69094ee89c18601b396531ca9f (patch) | |
| tree | d8a117babfa869335321285012d7862d96bf7af1 /arch/x86/mm/extable.c | |
| parent | x86/fpu: Get rid of x87 math exception helpers (diff) | |
| download | wireguard-linux-7bbcdb1ca4d2fd69094ee89c18601b396531ca9f.tar.xz wireguard-linux-7bbcdb1ca4d2fd69094ee89c18601b396531ca9f.zip | |
x86/head: Pass a real pt_regs and trapnr to early_fixup_exception()
early_fixup_exception() is limited by the fact that it doesn't have a
real struct pt_regs. Change both the 32-bit and 64-bit asm and the
C code to pass and accept a real pt_regs.
Tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: KVM list <kvm@vger.kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: xen-devel <Xen-devel@lists.xen.org>
Link: http://lkml.kernel.org/r/e3fb680fcfd5e23e38237e8328b64a25cc121d37.1459605520.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/mm/extable.c')
| -rw-r--r-- | arch/x86/mm/extable.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/mm/extable.c b/arch/x86/mm/extable.c index 82447b3fba38..1366e067a796 100644 --- a/arch/x86/mm/extable.c +++ b/arch/x86/mm/extable.c @@ -83,13 +83,13 @@ int fixup_exception(struct pt_regs *regs, int trapnr) } /* Restricted version used during very early boot */ -int __init early_fixup_exception(unsigned long *ip) +int __init early_fixup_exception(struct pt_regs *regs, int trapnr) { const struct exception_table_entry *e; unsigned long new_ip; ex_handler_t handler; - e = search_exception_tables(*ip); + e = search_exception_tables(regs->ip); if (!e) return 0; @@ -100,6 +100,6 @@ int __init early_fixup_exception(unsigned long *ip) if (handler != ex_handler_default) return 0; - *ip = new_ip; + regs->ip = new_ip; return 1; } |