search for: cpuid_eax

...ch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index aad4bd8..6d172a2 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -114,6 +114,7 @@ static void __init ms_hyperv_init_platform(void) * Extract the features and hints */ ms_hyperv.features = cpuid_eax(HYPERV_CPUID_FEATURES); + ms_hyperv.misc_features = cpuid_edx(HYPERV_CPUID_FEATURES); ms_hyperv.hints = cpuid_eax(HYPERV_CPUID_ENLIGHTMENT_INFO); printk(KERN_INFO "HyperV: features 0x%x, hints 0x%x\n", diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index cf20400..67...

...ch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index aad4bd8..6d172a2 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -114,6 +114,7 @@ static void __init ms_hyperv_init_platform(void) * Extract the features and hints */ ms_hyperv.features = cpuid_eax(HYPERV_CPUID_FEATURES); + ms_hyperv.misc_features = cpuid_edx(HYPERV_CPUID_FEATURES); ms_hyperv.hints = cpuid_eax(HYPERV_CPUID_ENLIGHTMENT_INFO); printk(KERN_INFO "HyperV: features 0x%x, hints 0x%x\n", diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index cf20400..67...

...ttered.c b/arch/x86/kernel/cpu/scattered.c index 62b137c3c97a..30f354989cf1 100644 --- a/arch/x86/kernel/cpu/scattered.c +++ b/arch/x86/kernel/cpu/scattered.c @@ -41,6 +41,7 @@ static const struct cpuid_bit cpuid_bits[] = { { X86_FEATURE_MBA, CPUID_EBX, 6, 0x80000008, 0 }, { X86_FEATURE_SME, CPUID_EAX, 0, 0x8000001f, 0 }, { X86_FEATURE_SEV, CPUID_EAX, 1, 0x8000001f, 0 }, + { X86_FEATURE_SEV_ES, CPUID_EAX, 3, 0x8000001f, 0 }, { 0, 0, 0, 0, 0 } }; -- 2.17.1

...ttered.c b/arch/x86/kernel/cpu/scattered.c index 62b137c3c97a..30f354989cf1 100644 --- a/arch/x86/kernel/cpu/scattered.c +++ b/arch/x86/kernel/cpu/scattered.c @@ -41,6 +41,7 @@ static const struct cpuid_bit cpuid_bits[] = { { X86_FEATURE_MBA, CPUID_EBX, 6, 0x80000008, 0 }, { X86_FEATURE_SME, CPUID_EAX, 0, 0x8000001f, 0 }, { X86_FEATURE_SEV, CPUID_EAX, 1, 0x8000001f, 0 }, + { X86_FEATURE_SEV_ES, CPUID_EAX, 3, 0x8000001f, 0 }, { 0, 0, 0, 0, 0 } }; -- 2.17.1

..., - int *edx) -{ - __asm__("cpuid" - : "=a" (*eax), - "=b" (*ebx), - "=c" (*ecx), - "=d" (*edx) - : "0" (op), "c" (count)); -} - -/* - * CPUID functions returning a single datum - */ -static inline unsigned int cpuid_eax(unsigned int op) -{ - unsigned int eax; - - __asm__("cpuid" - : "=a" (eax) - : "0" (op) - : "bx", "cx", "dx"); - return eax; -} -static inline unsigned int cpuid_ebx(unsigned int op) -{ - unsigned int eax, ebx; - - __asm__("cpuid&q...

..., - int *edx) -{ - __asm__("cpuid" - : "=a" (*eax), - "=b" (*ebx), - "=c" (*ecx), - "=d" (*edx) - : "0" (op), "c" (count)); -} - -/* - * CPUID functions returning a single datum - */ -static inline unsigned int cpuid_eax(unsigned int op) -{ - unsigned int eax; - - __asm__("cpuid" - : "=a" (eax) - : "0" (op) - : "bx", "cx", "dx"); - return eax; -} -static inline unsigned int cpuid_ebx(unsigned int op) -{ - unsigned int eax, ebx; - - __asm__("cpuid&q...

...anteed > + * to work on Xen-PV -- it is emulated by Xen and might not > + * execute an iret (or similar synchronizing instruction) > + * internally. > + * > + * cpuid() would trap as well. Unclear if that's a solution > + * either. > + */ > + if (in_nmi()) > + cpuid_eax(1); > + else > + sync_core(); > +} That's not thinking staight; what do you think the INT3 does when it happens inside an NMI ?

...fo *mi, return buf; } +static void x86_mcinfo_apei_save( + struct mcinfo_global *mc_global, struct mcinfo_bank *mc_bank) +{ + struct mce m; + + memset(&m, 0, sizeof(struct mce)); + + m.cpu = mc_global->mc_coreid; + m.cpuvendor = boot_cpu_data.x86_vendor; + m.cpuid = cpuid_eax(1); + m.socketid = mc_global->mc_socketid; + m.apicid = mc_global->mc_apicid; + + m.mcgstatus = mc_global->mc_gstatus; + m.status = mc_bank->mc_status; + m.misc = mc_bank->mc_misc; + m.addr = mc_bank->mc_addr; + m.bank = mc_bank->mc_bank; + + apei_write_...

I stumbled across the following patch and wondered if it wouldn't be a good idea to have it included. http://foldingcd.svn.sourceforge.net/viewvc/*checkout*/foldingcd/trunk/folding_cd/patches/syslinux-3.51-64bit.patch?revision=5 It adds a default64 keyword and detection of a 64bit processor. It could be useful for mixed environments. The patch is against 3.51, but looks like it would port

...lls want 'count' to be placed in ecx */ -static inline void cpuid_count(int op, int count, int *eax, int *ebx, int *ecx, - int *edx) -{ - *eax = op; - *ecx = count; - __cpuid(eax, ebx, ecx, edx); -} - -/* - * CPUID functions returning a single datum - */ -static inline unsigned int cpuid_eax(unsigned int op) -{ - unsigned int eax, ebx, ecx, edx; - - cpuid(op, &eax, &ebx, &ecx, &edx); - return eax; -} -static inline unsigned int cpuid_ebx(unsigned int op) -{ - unsigned int eax, ebx, ecx, edx; - - cpuid(op, &eax, &ebx, &ecx, &edx); - return ebx; -} -static...

...lls want 'count' to be placed in ecx */ -static inline void cpuid_count(int op, int count, int *eax, int *ebx, int *ecx, - int *edx) -{ - *eax = op; - *ecx = count; - __cpuid(eax, ebx, ecx, edx); -} - -/* - * CPUID functions returning a single datum - */ -static inline unsigned int cpuid_eax(unsigned int op) -{ - unsigned int eax, ebx, ecx, edx; - - cpuid(op, &eax, &ebx, &ecx, &edx); - return eax; -} -static inline unsigned int cpuid_ebx(unsigned int op) -{ - unsigned int eax, ebx, ecx, edx; - - cpuid(op, &eax, &ebx, &ecx, &edx); - return ebx; -} -static...

...============================================================ --- clean-start.orig/include/asm-x86_64/timex.h +++ clean-start/include/asm-x86_64/timex.h @@ -31,14 +31,29 @@ static __always_inline cycles_t get_cycl { unsigned long long ret; unsigned eax; + unsigned int (*fn)(unsigned int) = &cpuid_eax; /* Don't do an additional sync on CPUs where we know RDTSC is already synchronous. */ - alternative_io("cpuid", ASM_NOP2, X86_FEATURE_SYNC_RDTSC, - "=a" (eax), "0" (1) : "ebx","ecx","edx","memory"); + alternative_...

...============================================================ --- clean-start.orig/include/asm-x86_64/timex.h +++ clean-start/include/asm-x86_64/timex.h @@ -31,14 +31,29 @@ static __always_inline cycles_t get_cycl { unsigned long long ret; unsigned eax; + unsigned int (*fn)(unsigned int) = &cpuid_eax; /* Don't do an additional sync on CPUs where we know RDTSC is already synchronous. */ - alternative_io("cpuid", ASM_NOP2, X86_FEATURE_SYNC_RDTSC, - "=a" (eax), "0" (1) : "ebx","ecx","edx","memory"); + alternative_...

...), - "=b" (*ebx), - "=c" (*ecx), - "=d" (*edx) - : "0" (op), "c" (count)); + *eax = op; + *ecx = count; + __cpuid(eax, ebx, ecx, edx); } /* @@ -118,42 +154,34 @@ static inline void cpuid_count(int op, i */ static inline unsigned int cpuid_eax(unsigned int op) { - unsigned int eax; - - __asm__("cpuid" - : "=a" (eax) - : "0" (op) - : "bx", "cx", "dx"); + unsigned int eax, ebx, ecx, edx; + eax = op; + ecx = 0; + __cpuid(&eax, &ebx, &ecx, &edx); return eax; }...

...), - "=b" (*ebx), - "=c" (*ecx), - "=d" (*edx) - : "0" (op), "c" (count)); + *eax = op; + *ecx = count; + __cpuid(eax, ebx, ecx, edx); } /* @@ -118,42 +154,34 @@ static inline void cpuid_count(int op, i */ static inline unsigned int cpuid_eax(unsigned int op) { - unsigned int eax; - - __asm__("cpuid" - : "=a" (eax) - : "0" (op) - : "bx", "cx", "dx"); + unsigned int eax, ebx, ecx, edx; + eax = op; + ecx = 0; + __cpuid(&eax, &ebx, &ecx, &edx); return eax; }...

...*eax = op; __cpuid(eax, ebx, ecx, edx); } + /* Some CPUID calls want 'count' to be placed in ecx */ static inline void cpuid_count(int op, int count, int *eax, int *ebx, int *ecx, int *edx) @@ -140,24 +132,28 @@ static inline void cpuid_count(int op, i static inline unsigned int cpuid_eax(unsigned int op) { unsigned int eax, ebx, ecx, edx; + eax = op; __cpuid(&eax, &ebx, &ecx, &edx); return eax; } static inline unsigned int cpuid_ebx(unsigned int op) { unsigned int eax, ebx, ecx, edx; + eax = op; __cpuid(&eax, &ebx, &ecx, &edx); return...

...*eax = op; __cpuid(eax, ebx, ecx, edx); } + /* Some CPUID calls want 'count' to be placed in ecx */ static inline void cpuid_count(int op, int count, int *eax, int *ebx, int *ecx, int *edx) @@ -140,24 +132,28 @@ static inline void cpuid_count(int op, i static inline unsigned int cpuid_eax(unsigned int op) { unsigned int eax, ebx, ecx, edx; + eax = op; __cpuid(&eax, &ebx, &ecx, &edx); return eax; } static inline unsigned int cpuid_ebx(unsigned int op) { unsigned int eax, ebx, ecx, edx; + eax = op; __cpuid(&eax, &ebx, &ecx, &edx); return...

Hi Andrew, This series of patches lays the basic ground work for the paravirtualized kernel patches coming later on. I think this lot is ready for the rough-and-tumble world of the -mm tree. The main change from the last posting is that all the page-table related patches have been moved out, and will be posted separately. Also, the off-by-one in reserving the top of address space has been

Hi Andrew, This series of patches lays the basic ground work for the paravirtualized kernel patches coming later on. I think this lot is ready for the rough-and-tumble world of the -mm tree. The main change from the last posting is that all the page-table related patches have been moved out, and will be posted separately. Also, the off-by-one in reserving the top of address space has been

Hi all, I've been looking at finding common ground between the VMI, Xen and other paravirtualization approaches, and after some discussion, we're getting somewhere. These first two patches are the fundamentals, stolen mainly from the VMI patches: removing assumptions about the kernel running in ring 0, and macro-izing all the obvious para-virtualize-needing insns. The third patch is