Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7d77f2...
Commit: 7d77f2dcae37cf232950cd0181fb0a2cddb18130
Parent: 7939d2bf7e30353d40d14f967b7fe2b2a7be5bd9
Author: Robert Richter <robert.richter@amd.com>
AuthorDate: Tue Jul 22 21:08:57 2008 +0200
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Sat Jul 26 11:48:07 2008 +0200
OProfile: change IBS interrupt initialization
Signed-off-by: Robert Richter <robert.richter@amd.com>
Cc: oprofile-list <oprofile-list@lists.sourceforge.net>
Cc: Barry Kasindorf <barry.kasindorf@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
arch/x86/oprofile/op_model_athlon.c | 84 ++++++++++++++++++++++------------
1 files changed, 54 insertions(+), 30 deletions(-)
diff --git a/arch/x86/oprofile/op_model_athlon.c b/arch/x86/oprofile/op_model_athlon.c
index a2c8e2e..90193b1 100644
--- a/arch/x86/oprofile/op_model_athlon.c
+++ b/arch/x86/oprofile/op_model_athlon.c
@@ -356,9 +356,11 @@ static void op_amd_shutdown(struct op_msrs const * const msrs)
}
}
+static u8 ibs_eilvt_off;
+
static inline void apic_init_ibs_nmi_per_cpu(void *arg)
{
- setup_APIC_eilvt_ibs(0, APIC_EILVT_MSG_NMI, 0);
+ ibs_eilvt_off = setup_APIC_eilvt_ibs(0, APIC_EILVT_MSG_NMI, 0);
}
static inline void apic_clear_ibs_nmi_per_cpu(void *arg)
@@ -366,45 +368,67 @@ static inline void apic_clear_ibs_nmi_per_cpu(void *arg)
setup_APIC_eilvt_ibs(0, APIC_EILVT_MSG_FIX, 1);
}
+static int pfm_amd64_setup_eilvt(void)
+{
+#define IBSCTL_LVTOFFSETVAL (1 << 8)
+#define IBSCTL 0x1cc
+ struct pci_dev *cpu_cfg;
+ int nodes;
+ u32 value = 0;
+
+ /* per CPU setup */
+ on_each_cpu(apic_init_ibs_nmi_per_cpu, NULL, 0, 1);
+
+ nodes = 0;
+ cpu_cfg = NULL;
+ do {
+ cpu_cfg = pci_get_device(PCI_VENDOR_ID_AMD,
+ PCI_DEVICE_ID_AMD_10H_NB_MISC,
+ cpu_cfg);
+ if (!cpu_cfg)
+ break;
+ ++nodes;
+ pci_write_config_dword(cpu_cfg, ...
