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authorLinus Torvalds <torvalds@linux-foundation.org>2018-04-02 16:15:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-02 16:15:32 -0700
commitcea061e455c88312b86142e68c8fc5b8e1294ca2 (patch)
tree6e8afe1c4fb696582626db294b46daa59dcfb6c0 /include/linux
parentd22fff81418edc92be534cad8d59da914049bf69 (diff)
parent47a9973d3ed8994589c845c8b1a293a475a549a9 (diff)
Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 platform updates from Ingo Molnar: "The main changes in this cycle were: - Add "Jailhouse" hypervisor support (Jan Kiszka) - Update DeviceTree support (Ivan Gorinov) - Improve DMI date handling (Andy Shevchenko)" * 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/PCI: Fix a potential regression when using dmi_get_bios_year() firmware/dmi_scan: Uninline dmi_get_bios_year() helper x86/devicetree: Use CPU description from Device Tree of/Documentation: Specify local APIC ID in "reg" MAINTAINERS: Add entry for Jailhouse x86/jailhouse: Allow to use PCI_MMCONFIG without ACPI x86: Consolidate PCI_MMCONFIG configs x86: Align x86_64 PCI_MMCONFIG with 32-bit variant x86/jailhouse: Enable PCI mmconfig access in inmates PCI: Scan all functions when running over Jailhouse jailhouse: Provide detection for non-x86 systems x86/devicetree: Fix device IRQ settings in DT x86/devicetree: Initialize device tree before using it pci: Simplify code by using the new dmi_get_bios_year() helper ACPI/sleep: Simplify code by using the new dmi_get_bios_year() helper x86/pci: Simplify code by using the new dmi_get_bios_year() helper dmi: Introduce the dmi_get_bios_year() helper function x86/platform/quark: Re-use DEFINE_SHOW_ATTRIBUTE() macro x86/platform/atom: Re-use DEFINE_SHOW_ATTRIBUTE() macro
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/dmi.h2
-rw-r--r--include/linux/hypervisor.h17
2 files changed, 17 insertions, 2 deletions
diff --git a/include/linux/dmi.h b/include/linux/dmi.h
index 46e151172d95..6a86d8db16d9 100644
--- a/include/linux/dmi.h
+++ b/include/linux/dmi.h
@@ -106,6 +106,7 @@ extern void dmi_scan_machine(void);
extern void dmi_memdev_walk(void);
extern void dmi_set_dump_stack_arch_desc(void);
extern bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp);
+extern int dmi_get_bios_year(void);
extern int dmi_name_in_vendors(const char *str);
extern int dmi_name_in_serial(const char *str);
extern int dmi_available;
@@ -133,6 +134,7 @@ static inline bool dmi_get_date(int field, int *yearp, int *monthp, int *dayp)
*dayp = 0;
return false;
}
+static inline int dmi_get_bios_year(void) { return -ENXIO; }
static inline int dmi_name_in_vendors(const char *s) { return 0; }
static inline int dmi_name_in_serial(const char *s) { return 0; }
#define dmi_available 0
diff --git a/include/linux/hypervisor.h b/include/linux/hypervisor.h
index b19563f9a8eb..fc08b433c856 100644
--- a/include/linux/hypervisor.h
+++ b/include/linux/hypervisor.h
@@ -8,15 +8,28 @@
*/
#ifdef CONFIG_X86
+
+#include <asm/jailhouse_para.h>
#include <asm/x86_init.h>
+
static inline void hypervisor_pin_vcpu(int cpu)
{
x86_platform.hyper.pin_vcpu(cpu);
}
-#else
+
+#else /* !CONFIG_X86 */
+
+#include <linux/of.h>
+
static inline void hypervisor_pin_vcpu(int cpu)
{
}
-#endif
+
+static inline bool jailhouse_paravirt(void)
+{
+ return of_find_compatible_node(NULL, NULL, "jailhouse,cell");
+}
+
+#endif /* !CONFIG_X86 */
#endif /* __LINUX_HYPEVISOR_H */