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authorMiquel Raynal <miquel.raynal@bootlin.com>2021-06-30 12:52:24 +0200
committerMiquel Raynal <miquel.raynal@bootlin.com>2021-06-30 12:52:24 +0200
commit0bcc3939c98d83955397eac1584d5f791fdc88d0 (patch)
tree21e6be9c578916ca86ffe0f88a9d807435318964 /arch/x86/kernel/kvmclock.c
parentMerge tag 'nand/for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux into mtd/next (diff)
parentmtd: spi-nor: remove redundant continue statement (diff)
downloadlinux-dev-0bcc3939c98d83955397eac1584d5f791fdc88d0.tar.xz
linux-dev-0bcc3939c98d83955397eac1584d5f791fdc88d0.zip
Merge tag 'spi-nor/for-5.14' into mtd/next
SPI NOR core changes: - Ability to dump SFDP tables via sysfs - Support for erasing OTP regions on Winbond and similar flashes - Few API doc updates and fixes - Locking support for MX25L12805D SPI NOR controller drivers changes: - Use SPI_MODE_X_MASK in nxp-spifi - Intel Alder Lake-M SPI serial flash support
Diffstat (limited to 'arch/x86/kernel/kvmclock.c')
-rw-r--r--arch/x86/kernel/kvmclock.c26
1 files changed, 1 insertions, 25 deletions
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index d37ed4e1d033..ad273e5861c1 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -20,7 +20,6 @@
#include <asm/hypervisor.h>
#include <asm/mem_encrypt.h>
#include <asm/x86_init.h>
-#include <asm/reboot.h>
#include <asm/kvmclock.h>
static int kvmclock __initdata = 1;
@@ -203,28 +202,9 @@ static void kvm_setup_secondary_clock(void)
}
#endif
-/*
- * After the clock is registered, the host will keep writing to the
- * registered memory location. If the guest happens to shutdown, this memory
- * won't be valid. In cases like kexec, in which you install a new kernel, this
- * means a random memory location will be kept being written. So before any
- * kind of shutdown from our side, we unregister the clock by writing anything
- * that does not have the 'enable' bit set in the msr
- */
-#ifdef CONFIG_KEXEC_CORE
-static void kvm_crash_shutdown(struct pt_regs *regs)
-{
- native_write_msr(msr_kvm_system_time, 0, 0);
- kvm_disable_steal_time();
- native_machine_crash_shutdown(regs);
-}
-#endif
-
-static void kvm_shutdown(void)
+void kvmclock_disable(void)
{
native_write_msr(msr_kvm_system_time, 0, 0);
- kvm_disable_steal_time();
- native_machine_shutdown();
}
static void __init kvmclock_init_mem(void)
@@ -351,10 +331,6 @@ void __init kvmclock_init(void)
#endif
x86_platform.save_sched_clock_state = kvm_save_sched_clock_state;
x86_platform.restore_sched_clock_state = kvm_restore_sched_clock_state;
- machine_ops.shutdown = kvm_shutdown;
-#ifdef CONFIG_KEXEC_CORE
- machine_ops.crash_shutdown = kvm_crash_shutdown;
-#endif
kvm_get_preset_lpj();
/*