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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

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Pull KVM updates from Paolo Bonzini:
 "PPC changes will come next week.

   - s390: Support for runtime instrumentation within guests, support of
     248 VCPUs.

   - ARM: rewrite of the arm64 world switch in C, support for 16-bit VM
     identifiers.  Performance counter virtualization missed the boat.

   - x86: Support for more Hyper-V features (synthetic interrupt
     controller), MMU cleanups"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (115 commits)
  kvm: x86: Fix vmwrite to SECONDARY_VM_EXEC_CONTROL
  kvm/x86: Hyper-V SynIC timers tracepoints
  kvm/x86: Hyper-V SynIC tracepoints
  kvm/x86: Update SynIC timers on guest entry only
  kvm/x86: Skip SynIC vector check for QEMU side
  kvm/x86: Hyper-V fix SynIC timer disabling condition
  kvm/x86: Reorg stimer_expiration() to better control timer restart
  kvm/x86: Hyper-V unify stimer_start() and stimer_restart()
  kvm/x86: Drop stimer_stop() function
  kvm/x86: Hyper-V timers fix incorrect logical operation
  KVM: move architecture-dependent requests to arch/
  KVM: renumber vcpu->request bits
  KVM: document which architecture uses each request bit
  KVM: Remove unused KVM_REQ_KICK to save a bit in vcpu->requests
  kvm: x86: Check kvm_write_guest return value in kvm_write_wall_clock
  KVM: s390: implement the RI support of guest
  kvm/s390: drop unpaired smp_mb
  kvm: x86: fix comment about {mmu,nested_mmu}.gva_to_gpa
  KVM: x86: MMU: Use clear_page() instead of init_shadow_page_table()
  arm/arm64: KVM: Detect vGIC presence at runtime
  ...
This commit is contained in:
Linus Torvalds
2016-01-12 13:22:12 -08:00
parent c9bed1cf51 45bdbcfdf2
commit 1baa5efbeb
87 changed files with 4043 additions and 2393 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
arch/s390/kernel/processor.c
View File

@@ -61,6 +61,9 @@ static int show_cpuinfo(struct seq_file *m, void *v)
"esan3", "zarch", "stfle", "msa", "ldisp", "eimm", "dfp",
"edat", "etf3eh", "highgprs", "te", "vx"
};
static const char * const int_hwcap_str[] = {
"sie"
};
unsigned long n = (unsigned long) v - 1;
int i;
@@ -75,6 +78,9 @@ static int show_cpuinfo(struct seq_file *m, void *v)
for (i = 0; i < ARRAY_SIZE(hwcap_str); i++)
if (hwcap_str[i] && (elf_hwcap & (1UL << i)))
seq_printf(m, "%s ", hwcap_str[i]);
for (i = 0; i < ARRAY_SIZE(int_hwcap_str); i++)
if (int_hwcap_str[i] && (int_hwcap & (1UL << i)))
seq_printf(m, "%s ", int_hwcap_str[i]);
seq_puts(m, "\n");
show_cacheinfo(m);
}

9
arch/s390/kernel/setup.c
View File

@@ -80,6 +80,8 @@ EXPORT_SYMBOL(console_irq);
unsigned long elf_hwcap __read_mostly = 0;
char elf_platform[ELF_PLATFORM_SIZE];
unsigned long int_hwcap = 0;
int __initdata memory_end_set;
unsigned long __initdata memory_end;
unsigned long __initdata max_physmem_end;
@@ -793,6 +795,13 @@ static int __init setup_hwcaps(void)
strcpy(elf_platform, "z13");
break;
}
/*
* Virtualization support HWCAP_INT_SIE is bit 0.
*/
if (sclp.has_sief2)
int_hwcap |= HWCAP_INT_SIE;
return 0;
}
arch_initcall(setup_hwcaps);