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Tue, 06 Feb 2024 01:37:46 -0800 (PST) X-Forwarded-Encrypted: i=0; AJvYcCWSRN+t5t0jQKvBqHzFJ6ZeOpmgadrvi8r3qClWw45C/ctZ0WDwoLpqxvIRZIBcVClDhNVw7pNVq4OXfpj1mBRtgoZnhEqzNbwIp7/kPsoppNliNsDdIq2Ft54Y1H/UBAkbsPSo4A6byPuMrcV1qICeJFePdaFskSi4OksymAMfQPUDew== Message-ID: <3125dcdd-573a-4bad-a0a2-9c501d94cc82@suse.com> Date: Tue, 6 Feb 2024 10:37:45 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4.5 3/8] VMX: tertiary execution control infrastructure Content-Language: en-US To: =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= Cc: "xen-devel@lists.xenproject.org" , Andrew Cooper , Wei Liu , Kevin Tian , Jun Nakajima References: <9dd23064-c79e-4a50-9c71-c0e73b189944@suse.com> From: Jan Beulich Autocrypt: addr=jbeulich@suse.com; keydata= xsDiBFk3nEQRBADAEaSw6zC/EJkiwGPXbWtPxl2xCdSoeepS07jW8UgcHNurfHvUzogEq5xk hu507c3BarVjyWCJOylMNR98Yd8VqD9UfmX0Hb8/BrA+Hl6/DB/eqGptrf4BSRwcZQM32aZK 7Pj2XbGWIUrZrd70x1eAP9QE3P79Y2oLrsCgbZJfEwCgvz9JjGmQqQkRiTVzlZVCJYcyGGsD /0tbFCzD2h20ahe8rC1gbb3K3qk+LpBtvjBu1RY9drYk0NymiGbJWZgab6t1jM7sk2vuf0Py O9Hf9XBmK0uE9IgMaiCpc32XV9oASz6UJebwkX+zF2jG5I1BfnO9g7KlotcA/v5ClMjgo6Gl MDY4HxoSRu3i1cqqSDtVlt+AOVBJBACrZcnHAUSuCXBPy0jOlBhxPqRWv6ND4c9PH1xjQ3NP nxJuMBS8rnNg22uyfAgmBKNLpLgAGVRMZGaGoJObGf72s6TeIqKJo/LtggAS9qAUiuKVnygo 3wjfkS9A3DRO+SpU7JqWdsveeIQyeyEJ/8PTowmSQLakF+3fote9ybzd880fSmFuIEJldWxp Y2ggPGpiZXVsaWNoQHN1c2UuY29tPsJgBBMRAgAgBQJZN5xEAhsDBgsJCAcDAgQVAggDBBYC AwECHgECF4AACgkQoDSui/t3IH4J+wCfQ5jHdEjCRHj23O/5ttg9r9OIruwAn3103WUITZee e7Sbg12UgcQ5lv7SzsFNBFk3nEQQCACCuTjCjFOUdi5Nm244F+78kLghRcin/awv+IrTcIWF hUpSs1Y91iQQ7KItirz5uwCPlwejSJDQJLIS+QtJHaXDXeV6NI0Uef1hP20+y8qydDiVkv6l IreXjTb7DvksRgJNvCkWtYnlS3mYvQ9NzS9PhyALWbXnH6sIJd2O9lKS1Mrfq+y0IXCP10eS FFGg+Av3IQeFatkJAyju0PPthyTqxSI4lZYuJVPknzgaeuJv/2NccrPvmeDg6Coe7ZIeQ8Yj t0ARxu2xytAkkLCel1Lz1WLmwLstV30g80nkgZf/wr+/BXJW/oIvRlonUkxv+IbBM3dX2OV8 AmRv1ySWPTP7AAMFB/9PQK/VtlNUJvg8GXj9ootzrteGfVZVVT4XBJkfwBcpC/XcPzldjv+3 HYudvpdNK3lLujXeA5fLOH+Z/G9WBc5pFVSMocI71I8bT8lIAzreg0WvkWg5V2WZsUMlnDL9 mpwIGFhlbM3gfDMs7MPMu8YQRFVdUvtSpaAs8OFfGQ0ia3LGZcjA6Ik2+xcqscEJzNH+qh8V m5jjp28yZgaqTaRbg3M/+MTbMpicpZuqF4rnB0AQD12/3BNWDR6bmh+EkYSMcEIpQmBM51qM EKYTQGybRCjpnKHGOxG0rfFY1085mBDZCH5Kx0cl0HVJuQKC+dV2ZY5AqjcKwAxpE75MLFkr wkkEGBECAAkFAlk3nEQCGwwACgkQoDSui/t3IH7nnwCfcJWUDUFKdCsBH/E5d+0ZnMQi+G0A nAuWpQkjM1ASeQwSHEeAWPgskBQL In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 06.02.2024 10:28, Roger Pau Monné wrote: > On Mon, Feb 05, 2024 at 02:37:44PM +0100, Jan Beulich wrote: >> This is a prereq to enabling e.g. the MSRLIST feature. >> >> Note that the PROCBASED_CTLS3 MSR is different from other VMX feature >> reporting MSRs, in that all 64 bits report allowed 1-settings. >> >> vVMX code is left alone, though, for the time being. >> >> Signed-off-by: Jan Beulich > > Reviewed-by: Roger Pau Monné Thanks. >> @@ -2068,10 +2111,12 @@ void vmcs_dump_vcpu(struct vcpu *v) >> vmr(HOST_PERF_GLOBAL_CTRL)); >> >> printk("*** Control State ***\n"); >> - printk("PinBased=%08x CPUBased=%08x SecondaryExec=%08x\n", >> + printk("PinBased=%08x CPUBased=%08x\n", >> vmr32(PIN_BASED_VM_EXEC_CONTROL), >> - vmr32(CPU_BASED_VM_EXEC_CONTROL), >> - vmr32(SECONDARY_VM_EXEC_CONTROL)); >> + vmr32(CPU_BASED_VM_EXEC_CONTROL)); >> + printk("SecondaryExec=%08x TertiaryExec=%016lx\n", > > I thought you wanted to split the print into two 32bit halves here? Indeed I wanted to, but when about to do so I noticed several other uses of %016lx in the same function. I value consistency higher here; if we want to introduce such splitting, I think we want to do it uniformly. And then we may even want to think about possible ways of indicating the desire for such splitting right in the format string. Jan