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Date: Wed, 5 Nov 2014 11:28:14 +0100 From: Petr Mladek <pmladek@...e.cz> To: Steven Rostedt <rostedt@...dmis.org> Cc: linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>, Andrew Morton <akpm@...ux-foundation.org>, Jiri Kosina <jkosina@...e.cz>, "H. Peter Anvin" <hpa@...or.com>, Thomas Gleixner <tglx@...utronix.de>, Mark Rustad <mark.d.rustad@...el.com>, Jeff Kirsher <jeffrey.t.kirsher@...el.com>, Paolo Bonzini <pbonzini@...hat.com> Subject: Re: [RFC][PATCH 01/12 v3] x86/kvm/tracing: Use helper function trace_seq_buffer_ptr() On Tue 2014-11-04 10:52:38, Steven Rostedt wrote: > From: "Steven Rostedt (Red Hat)" <rostedt@...dmis.org> > > To allow for the restructiong of the trace_seq code, we need users > of it to use the helper functions instead of accessing the internals > of the trace_seq structure itself. > > Cc: Mark Rustad <mark.d.rustad@...el.com> > Cc: Jeff Kirsher <jeffrey.t.kirsher@...el.com> > Cc: Paolo Bonzini <pbonzini@...hat.com> > Signed-off-by: Steven Rostedt <rostedt@...dmis.org> Reviewed-by: Petr Mladek <pmladek@...e.cz> Best Regards, Petr > --- > arch/x86/kvm/mmutrace.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h > index 5aaf35641768..ce463a9cc8fb 100644 > --- a/arch/x86/kvm/mmutrace.h > +++ b/arch/x86/kvm/mmutrace.h > @@ -22,7 +22,7 @@ > __entry->unsync = sp->unsync; > > #define KVM_MMU_PAGE_PRINTK() ({ \ > - const u32 saved_len = p->len; \ > + const char *saved_ptr = trace_seq_buffer_ptr(p); \ > static const char *access_str[] = { \ > "---", "--x", "w--", "w-x", "-u-", "-ux", "wu-", "wux" \ > }; \ > @@ -41,7 +41,7 @@ > role.nxe ? "" : "!", \ > __entry->root_count, \ > __entry->unsync ? "unsync" : "sync", 0); \ > - p->buffer + saved_len; \ > + saved_ptr; \ > }) > > #define kvm_mmu_trace_pferr_flags \ > -- > 2.1.1 > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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