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Date: Fri, 11 Jan 2019 14:39:45 +0100 From: Radim Krčmář <rkrcmar@...hat.com> To: "Gustavo A. R. Silva" <gustavo@...eddedor.com> Cc: Luwei Kang <luwei.kang@...el.com>, Paolo Bonzini <pbonzini@...hat.com>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org, kvm@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH][next] KVM: x86: Fix bit shifting in update_intel_pt_cfg 2018-12-26 14:40-0600, Gustavo A. R. Silva: > ctl_bitmask in pt_desc is of type u64. When an integer like 0xf is > being left shifted more than 32 bits, the behavior is undefined. > > Fix this by adding suffix ULL to integer 0xf. > > Addresses-Coverity-ID: 1476095 ("Bad bit shift operation") > Fixes: 6c0f0bba85a0 ("KVM: x86: Introduce a function to initialize the PT configuration") > Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com> > --- Applied, thanks.
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