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Revert "enable mtc"

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This reverts commit 44ceaf2cf8043bda6954b35e2aa59fadbb67ef28.
This commit is contained in:
David Venhoff 2025-09-03 14:29:57 +02:00
parent 44ceaf2cf8
commit 5995cd75c0
2 changed files with 1 additions and 7 deletions
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7
arch/x86/kvm/vmx/vmx_pt.c
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@ -865,7 +865,7 @@ static inline void vmx_pt_setup_msrs(struct vcpu_vmx_pt *vmx_pt){
int i; int i;
//vmx_pt->ia32_rtit_ctrl_msr = 0ULL; //vmx_pt->ia32_rtit_ctrl_msr = 0ULL;
WRITE_ONCE(vmx_pt->ia32_rtit_ctrl_msr, (!TRACE_EN) | CTL_OS | CTL_USER | TO_PA | PTWRITE_EN | BRANCH_EN | DIS_RETC | PSB_MASK | CYC_EN | TSC_EN | MTC_EN); WRITE_ONCE(vmx_pt->ia32_rtit_ctrl_msr, (!TRACE_EN) | CTL_OS | CTL_USER | TO_PA | PTWRITE_EN | BRANCH_EN | DIS_RETC | PSB_MASK | CYC_EN | TSC_EN);
//vmx_pt->ia32_rtit_ctrl_msr = (!TRACE_EN) | CTL_OS | CTL_USER | TO_PA | BRANCH_EN | DIS_RETC | PSB_MASK; //vmx_pt->ia32_rtit_ctrl_msr = (!TRACE_EN) | CTL_OS | CTL_USER | TO_PA | BRANCH_EN | DIS_RETC | PSB_MASK;
for (i = 0; i < 4; i++){ for (i = 0; i < 4; i++){
@ -1136,11 +1136,6 @@ static int vmx_pt_check_support(void){
return -EIO; return -EIO;
} }
if (!(b & BIT(0))) {
PRINT_ERROR("NO MTC SUPPORT");
return -EIO;
}
cpuid_count(0x14, 1, &a, &b, &c, &d); cpuid_count(0x14, 1, &a, &b, &c, &d);
//printk("Supported IP Filter Regions: %lx\n", a&0x7); //printk("Supported IP Filter Regions: %lx\n", a&0x7);
supported_addrn = a&0x7; supported_addrn = a&0x7;

1
compile_kvm_nyx_standalone.sh
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@ -4,6 +4,5 @@ cp /lib/modules/`uname -r`/build/scripts/module.lds scripts/ &&
cp /lib/modules/`uname -r`/build/Module.symvers . && cp /lib/modules/`uname -r`/build/Module.symvers . &&
cp /lib/modules/`uname -r`/build/include/config/kernel.release include/config/kernel.release && cp /lib/modules/`uname -r`/build/include/config/kernel.release include/config/kernel.release &&
cp /lib/modules/`uname -r`/build/include/generated/utsrelease.h include/generated/utsrelease.h && cp /lib/modules/`uname -r`/build/include/generated/utsrelease.h include/generated/utsrelease.h &&
#make KCFLAGS=-DDEBUG M=arch/x86/kvm/ -j KBUILD_MODPOST_WARN=1 &&
make M=arch/x86/kvm/ -j KBUILD_MODPOST_WARN=1 && make M=arch/x86/kvm/ -j KBUILD_MODPOST_WARN=1 &&
echo "[!] kvm-nyx successfully compiled" echo "[!] kvm-nyx successfully compiled"