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SUSE:SLE-12-SP4:GA
xen.3878
57a30261-x86-support-newer-Intel-CPU-models.patch
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File 57a30261-x86-support-newer-Intel-CPU-models.patch of Package xen.3878
# Commit 350bc1a9d4ebc03b18a43cdafcb626618caace55 # Date 2016-08-04 10:52:49 +0200 # Author Jan Beulich <jbeulich@suse.com> # Committer Jan Beulich <jbeulich@suse.com> x86: support newer Intel CPU models ... as per the June 2016 edition of the SDM. Also remove a couple of dead break statements as well as unused *MSR_PM_LASTBRANCH* #define-s. Signed-off-by: Jan Beulich <jbeulich@suse.com> Acked-by: Andrew Cooper <andrew.cooper3@citrix.com> Acked-by: Kevin Tian <kevin.tian@intel.com> References: bsc#996191 # Commit 6bd621d7010bb8561196aedf5198d5fe7c146822 # Date 2016-09-19 11:42:23 +0200 # Author Jan Beulich <jbeulich@suse.com> # Committer Jan Beulich <jbeulich@suse.com> x86/Intel: Broadwell doesn't have PKG_C{8,9,10}_RESIDENCY MSRs According to https://lists.xenproject.org/archives/html/xen-devel/2016-09/msg01797.html this partially reverts commit 350bc1a9d4 ("x86: support newer Intel CPU models") to account for the appearant earlier mis-documentation. Signed-off-by: Jan Beulich <jbeulich@suse.com> Acked-by: Kevin Tian <kevin.tian@intel.com> --- a/xen/arch/x86/acpi/cpu_idle.c +++ b/xen/arch/x86/acpi/cpu_idle.c @@ -61,7 +61,7 @@ #define GET_HW_RES_IN_NS(msr, val) \ do { rdmsrl(msr, val); val = tsc_ticks2ns(val); } while( 0 ) -#define GET_MC6_RES(val) GET_HW_RES_IN_NS(0x664, val) /* Atom E3000 only */ +#define GET_MC6_RES(val) GET_HW_RES_IN_NS(0x664, val) #define GET_PC2_RES(val) GET_HW_RES_IN_NS(0x60D, val) /* SNB onwards */ #define GET_PC3_RES(val) GET_HW_RES_IN_NS(0x3F8, val) #define GET_PC6_RES(val) GET_HW_RES_IN_NS(0x3F9, val) @@ -158,10 +158,12 @@ static void do_get_hw_residencies(void * case 0x46: /* Broadwell */ case 0x3D: + case 0x47: case 0x4F: case 0x56: - /* future */ + /* Skylake */ case 0x4E: + case 0x5E: GET_PC2_RES(hw_res->pc2); GET_CC7_RES(hw_res->cc7); /* fall through */ @@ -198,18 +200,28 @@ static void do_get_hw_residencies(void * break; /* Silvermont */ case 0x37: - GET_MC6_RES(hw_res->mc6); - /* fall through */ case 0x4A: case 0x4D: case 0x5A: case 0x5D: /* Airmont */ case 0x4C: + GET_MC6_RES(hw_res->mc6); GET_PC7_RES(hw_res->pc6); /* abusing GET_PC7_RES */ GET_CC1_RES(hw_res->cc1); GET_CC6_RES(hw_res->cc6); break; + /* Goldmont */ + case 0x5C: + case 0x5F: + GET_PC2_RES(hw_res->pc2); + GET_PC3_RES(hw_res->pc3); + GET_PC6_RES(hw_res->pc6); + GET_PC10_RES(hw_res->pc10); + GET_CC1_RES(hw_res->cc1); + GET_CC3_RES(hw_res->cc3); + GET_CC6_RES(hw_res->cc6); + break; } } --- a/xen/arch/x86/hvm/vmx/vmx.c +++ b/xen/arch/x86/hvm/vmx/vmx.c @@ -2529,6 +2529,14 @@ static const struct lbr_info { { MSR_P4_LASTBRANCH_0_FROM_LIP, NUM_MSR_P4_LASTBRANCH_FROM_TO }, { MSR_P4_LASTBRANCH_0_TO_LIP, NUM_MSR_P4_LASTBRANCH_FROM_TO }, { 0, 0 } +}, sk_lbr[] = { + { MSR_IA32_LASTINTFROMIP, 1 }, + { MSR_IA32_LASTINTTOIP, 1 }, + { MSR_SKL_LASTBRANCH_TOS, 1 }, + { MSR_SKL_LASTBRANCH_0_FROM_IP, NUM_MSR_SKL_LASTBRANCH }, + { MSR_SKL_LASTBRANCH_0_TO_IP, NUM_MSR_SKL_LASTBRANCH }, + { MSR_SKL_LASTBRANCH_0_INFO, NUM_MSR_SKL_LASTBRANCH }, + { 0, 0 } }, at_lbr[] = { { MSR_IA32_LASTINTFROMIP, 1 }, { MSR_IA32_LASTINTTOIP, 1 }, @@ -2536,6 +2544,13 @@ static const struct lbr_info { { MSR_C2_LASTBRANCH_0_FROM_IP, NUM_MSR_ATOM_LASTBRANCH_FROM_TO }, { MSR_C2_LASTBRANCH_0_TO_IP, NUM_MSR_ATOM_LASTBRANCH_FROM_TO }, { 0, 0 } +}, gm_lbr[] = { + { MSR_IA32_LASTINTFROMIP, 1 }, + { MSR_IA32_LASTINTTOIP, 1 }, + { MSR_GM_LASTBRANCH_TOS, 1 }, + { MSR_GM_LASTBRANCH_0_FROM_IP, NUM_MSR_GM_LASTBRANCH_FROM_TO }, + { MSR_GM_LASTBRANCH_0_TO_IP, NUM_MSR_GM_LASTBRANCH_FROM_TO }, + { 0, 0 } }; static const struct lbr_info *last_branch_msr_get(void) @@ -2550,7 +2565,6 @@ static const struct lbr_info *last_branc /* Enhanced Core */ case 23: return c2_lbr; - break; /* Nehalem */ case 26: case 30: case 31: case 46: /* Westmere */ @@ -2562,11 +2576,13 @@ static const struct lbr_info *last_branc /* Haswell */ case 60: case 63: case 69: case 70: /* Broadwell */ - case 61: case 79: case 86: - /* future */ - case 78: + case 61: case 71: case 79: case 86: return nh_lbr; - break; + /* Skylake */ + case 78: case 94: + /* future */ + case 142: case 158: + return sk_lbr; /* Atom */ case 28: case 38: case 39: case 53: case 54: /* Silvermont */ @@ -2576,7 +2592,9 @@ static const struct lbr_info *last_branc /* Airmont */ case 76: return at_lbr; - break; + /* Goldmont */ + case 92: case 95: + return gm_lbr; } break; @@ -2586,7 +2604,6 @@ static const struct lbr_info *last_branc /* Pentium4/Xeon with em64t */ case 3: case 4: case 6: return p4_lbr; - break; } break; } --- a/xen/include/asm-x86/msr-index.h +++ b/xen/include/asm-x86/msr-index.h @@ -462,11 +462,6 @@ #define MSR_P4_LASTBRANCH_0_TO_LIP 0x000006c0 #define NUM_MSR_P4_LASTBRANCH_FROM_TO 16 -/* Pentium M (and Core) last-branch recording */ -#define MSR_PM_LASTBRANCH_TOS 0x000001c9 -#define MSR_PM_LASTBRANCH_0 0x00000040 -#define NUM_MSR_PM_LASTBRANCH 8 - /* Core 2 and Atom last-branch recording */ #define MSR_C2_LASTBRANCH_TOS 0x000001c9 #define MSR_C2_LASTBRANCH_0_FROM_IP 0x00000040 @@ -474,6 +469,19 @@ #define NUM_MSR_C2_LASTBRANCH_FROM_TO 4 #define NUM_MSR_ATOM_LASTBRANCH_FROM_TO 8 +/* Skylake (and newer) last-branch recording */ +#define MSR_SKL_LASTBRANCH_TOS 0x000001c9 +#define MSR_SKL_LASTBRANCH_0_FROM_IP 0x00000680 +#define MSR_SKL_LASTBRANCH_0_TO_IP 0x000006c0 +#define MSR_SKL_LASTBRANCH_0_INFO 0x00000dc0 +#define NUM_MSR_SKL_LASTBRANCH 32 + +/* Goldmont last-branch recording */ +#define MSR_GM_LASTBRANCH_TOS 0x000001c9 +#define MSR_GM_LASTBRANCH_0_FROM_IP 0x00000680 +#define MSR_GM_LASTBRANCH_0_TO_IP 0x000006c0 +#define NUM_MSR_GM_LASTBRANCH_FROM_TO 32 + /* Intel Core-based CPU performance counters */ #define MSR_CORE_PERF_FIXED_CTR0 0x00000309 #define MSR_CORE_PERF_FIXED_CTR1 0x0000030a
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