On Fri, May 20 2022 at 19:39, Shreenidhi Shedi wrote:
> From: Shreenidhi Shedi <yesshedi@xxxxxxxxx>
>
> From: Shreenidhi Shedi <sshedi@xxxxxxxxxx>
Can you please decide which of your personalities wrote that patch?
> Shifting signed 32-bit value by 31 bits is implementation-defined
> behaviour. Using unsigned is better option for this.
Better option? There are no options. It's either correct or not. Please
be precise and technical in your wording.
> Fixes: 4cca6ea04d31 ("x86/apic: Allow x2apic without IR on VMware platform")
>
> Signed-off-by: Shreenidhi Shedi <sshedi@xxxxxxxxxx>
Please keep the tags together. This extra new line is pointless and
makes the maintainer do extra work to remove it.
Documentation/process/* has all the relevant directives for
you. Following them is not an option. It's mandatory.
> @@ -476,8 +477,8 @@ static bool __init vmware_legacy_x2apic_available(void)
> {
> uint32_t eax, ebx, ecx, edx;
> VMWARE_CMD(GETVCPU_INFO, eax, ebx, ecx, edx);
> - return (eax & (1 << VMWARE_CMD_VCPU_RESERVED)) == 0 &&
> - (eax & (1 << VMWARE_CMD_LEGACY_X2APIC)) != 0;
> + return !(eax & BIT(VMWARE_CMD_VCPU_RESERVED)) &&
> + (eax & BIT(VMWARE_CMD_LEGACY_X2APIC))
Testing your changes before submission is not optional either. How is
this supposed to compile?
Thanks,
tglx
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