search for: div64

From: Thierry Reding <treding at nvidia.com> The semantics of do_div() are (see include/asm-generic/div64.h): uint32_t do_div(uint64_t *n, uint32_t base) Using a different type will therefore cause the following warning (as seen on xtensa/allmodconfig): CC [M] drivers/gpu/drm/nouveau/core/subdev/clock/gk20a.o In file included from arch/xtensa/include/generated/asm/div64.h:1:0,...

...get flagged. !strconcat(instr_asm, "\t$$zero, $rs, $rt"), % tblgen -gen-asm-matcher -I ~/workarea/asm/llvm/include/ Mips.td Included from Mips.td:24: Included from MipsInstrInfo.td:1120: Mips64InstrInfo.td:173:1: error: error: unable to find operand: 'zero' def DSDIV : Div64<MipsDivRem, 0x1e, "ddiv", IIIdiv>; ^ Any information on this would be great. Cheers, Jack -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20120126/26783d6b/attachment.html>

...looking forward to improving the quality of this work. Stefano Stabellini (25): Include some header files that are not automatically included on all archs A collection of fixes to Xen common files Move cpufreq option parsing to cpufreq.c Replace "/" operand with div64 Introduce clear_user libelf-loader: introduce elf_load_image and CONFIG_KERNEL_NO_RELOC xen/common/Makefile: introduce HAS_CPUFREQ, HAS_PCI, HAS_PASSTHROUGH, HAS_NS16550 arm: makefiles arm: compile tmem arm: header files arm: bit manipulation, copy and divi...

...(instr_asm, "\t$$zero, $rs, $rt"), > > % tblgen -gen-asm-matcher -I ~/workarea/asm/llvm/include/ Mips.td > Included from Mips.td:24: > Included from MipsInstrInfo.td:1120: > Mips64InstrInfo.td:173:1: error: error: unable to find operand: 'zero' > def DSDIV : Div64<MipsDivRem, 0x1e, "ddiv", IIIdiv>; > ^ > That's a bug/limitation of the asm matcher. For something similar, see X86InstrInfo.td's commented out definition of ShiftRotateByOneAlias. -Jim > Any information on this would be great. > > Cheers, > > Jack...

.../arch/x86/kernel/cpu/vmware.c index e3fb320..6ef22c1 100644 --- a/arch/x86/kernel/cpu/vmware.c +++ b/arch/x86/kernel/cpu/vmware.c @@ -24,10 +24,12 @@ #include <linux/dmi.h> #include <linux/init.h> #include <linux/export.h> +#include <linux/clocksource.h> #include <asm/div64.h> #include <asm/x86_init.h> #include <asm/hypervisor.h> #include <asm/apic.h> +#include <asm/timer.h> #define CPUID_VMWARE_INFO_LEAF 0x40000000 #define VMWARE_HYPERVISOR_MAGIC 0x564D5868 @@ -62,10 +64,46 @@ static unsigned long vmware_get_tsc_khz(void) } #ifde...

Hi gang, Here''s some trivial cleanups that I''ve built up while reading through the code. They''ve been run through xfstests -g quick. - z -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html

...*csum, struct iov_iter *i); -int memcpy_fromiovecend(unsigned char *kdata, const struct iovec *iov, - int offset, int len); #endif diff --git a/lib/Makefile b/lib/Makefile index 3c3b30b..1071d06 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -24,7 +24,7 @@ obj-y += lockref.o obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \ bust_spinlocks.o hexdump.o kasprintf.o bitmap.o scatterlist.o \ - gcd.o lcm.o list_sort.o uuid.o flex_array.o iovec.o clz_ctz.o \ + gcd.o lcm.o list_sort.o uuid.o flex_array.o clz_ctz.o \ bsearch.o find_last_bit.o find_next_bit.o llist....

...*csum, struct iov_iter *i); -int memcpy_fromiovecend(unsigned char *kdata, const struct iovec *iov, - int offset, int len); #endif diff --git a/lib/Makefile b/lib/Makefile index 3c3b30b..1071d06 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -24,7 +24,7 @@ obj-y += lockref.o obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \ bust_spinlocks.o hexdump.o kasprintf.o bitmap.o scatterlist.o \ - gcd.o lcm.o list_sort.o uuid.o flex_array.o iovec.o clz_ctz.o \ + gcd.o lcm.o list_sort.o uuid.o flex_array.o clz_ctz.o \ bsearch.o find_last_bit.o find_next_bit.o llist....

...ing MipsGenAsmMatcher.inc I am hitting the following issue (actually several, but they may be related). It may have something to do with the $$ escape sequence: /home/jcarter/workarea/llvm/lib/Target/Mips/Mips64InstrInfo.td:173:1: error: error: unable to find operand: 'zero' def DSDIV : Div64<MipsDivRem, 0x1e, "ddiv", IIIdiv>; Here is the sequence of definitions: def SDT_MipsDivRem : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisSameAs<0, 1>]>; def MipsDivRem : SDN...

...ernel/cpu/vmware.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c index 628a059..67c429d 100644 --- a/arch/x86/kernel/cpu/vmware.c +++ b/arch/x86/kernel/cpu/vmware.c @@ -26,6 +26,7 @@ #include <asm/div64.h> #include <asm/x86_init.h> #include <asm/hypervisor.h> +#include <asm/vmware.h> #define CPUID_VMWARE_INFO_LEAF 0x40000000 #define VMWARE_HYPERVISOR_MAGIC 0x564D5868 @@ -37,13 +38,14 @@ #define VMWARE_PORT_CMD_LEGACY_X2APIC 3 #define VMWARE_PORT_CMD_VCPU_RESERVED 31...

.../kernel/cpu/vmware.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c index 628a059..8e900d3 100644 --- a/arch/x86/kernel/cpu/vmware.c +++ b/arch/x86/kernel/cpu/vmware.c @@ -26,6 +26,7 @@ #include <asm/div64.h> #include <asm/x86_init.h> #include <asm/hypervisor.h> +#include <asm/vmware.h> #define CPUID_VMWARE_INFO_LEAF 0x40000000 #define VMWARE_HYPERVISOR_MAGIC 0x564D5868 @@ -38,12 +39,13 @@ #define VMWARE_PORT_CMD_VCPU_RESERVED 31 #define VMWARE_PORT(cmd, eax, ebx, ecx,...

...6/kernel/cpu/vmware.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c index 1ff0598..8116057 100644 --- a/arch/x86/kernel/cpu/vmware.c +++ b/arch/x86/kernel/cpu/vmware.c @@ -27,6 +27,7 @@ #include <asm/div64.h> #include <asm/x86_init.h> #include <asm/hypervisor.h> +#include <asm/apic.h> #define CPUID_VMWARE_INFO_LEAF 0x40000000 #define VMWARE_HYPERVISOR_MAGIC 0x564D5868 @@ -82,10 +83,17 @@ static void __init vmware_platform_setup(void) VMWARE_PORT(GETHZ, eax, ebx, ecx, ed...

...ware.com> --- arch/x86/kernel/cpu/vmware.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c index 8116057..5130985 100644 --- a/arch/x86/kernel/cpu/vmware.c +++ b/arch/x86/kernel/cpu/vmware.c @@ -27,6 +27,7 @@ #include <asm/div64.h> #include <asm/x86_init.h> #include <asm/hypervisor.h> +#include <asm/timer.h> #include <asm/apic.h> #define CPUID_VMWARE_INFO_LEAF 0x40000000 @@ -94,6 +95,10 @@ static void __init vmware_platform_setup(void) } else { pr_warn("Failed to get TSC freq from...

...ernel/cpu/vmware.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c index 628a059..67c429d 100644 --- a/arch/x86/kernel/cpu/vmware.c +++ b/arch/x86/kernel/cpu/vmware.c @@ -26,6 +26,7 @@ #include <asm/div64.h> #include <asm/x86_init.h> #include <asm/hypervisor.h> +#include <asm/vmware.h> #define CPUID_VMWARE_INFO_LEAF 0x40000000 #define VMWARE_HYPERVISOR_MAGIC 0x564D5868 @@ -37,13 +38,14 @@ #define VMWARE_PORT_CMD_LEGACY_X2APIC 3 #define VMWARE_PORT_CMD_VCPU_RESERVED 31...

.../kernel/cpu/vmware.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c index 628a059..8e900d3 100644 --- a/arch/x86/kernel/cpu/vmware.c +++ b/arch/x86/kernel/cpu/vmware.c @@ -26,6 +26,7 @@ #include <asm/div64.h> #include <asm/x86_init.h> #include <asm/hypervisor.h> +#include <asm/vmware.h> #define CPUID_VMWARE_INFO_LEAF 0x40000000 #define VMWARE_HYPERVISOR_MAGIC 0x564D5868 @@ -38,12 +39,13 @@ #define VMWARE_PORT_CMD_VCPU_RESERVED 31 #define VMWARE_PORT(cmd, eax, ebx, ecx,...

...6/kernel/cpu/vmware.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c index 1ff0598..8116057 100644 --- a/arch/x86/kernel/cpu/vmware.c +++ b/arch/x86/kernel/cpu/vmware.c @@ -27,6 +27,7 @@ #include <asm/div64.h> #include <asm/x86_init.h> #include <asm/hypervisor.h> +#include <asm/apic.h> #define CPUID_VMWARE_INFO_LEAF 0x40000000 #define VMWARE_HYPERVISOR_MAGIC 0x564D5868 @@ -82,10 +83,17 @@ static void __init vmware_platform_setup(void) VMWARE_PORT(GETHZ, eax, ebx, ecx, ed...

...ware.com> --- arch/x86/kernel/cpu/vmware.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c index 8116057..5130985 100644 --- a/arch/x86/kernel/cpu/vmware.c +++ b/arch/x86/kernel/cpu/vmware.c @@ -27,6 +27,7 @@ #include <asm/div64.h> #include <asm/x86_init.h> #include <asm/hypervisor.h> +#include <asm/timer.h> #include <asm/apic.h> #define CPUID_VMWARE_INFO_LEAF 0x40000000 @@ -94,6 +95,10 @@ static void __init vmware_platform_setup(void) } else { pr_warn("Failed to get TSC freq from...

...it a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index cc04dc1..2313e8b 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -22,6 +22,7 @@ #include <linux/blkdev.h> #include <linux/random.h> #include <linux/iocontext.h> +#include <linux/capability.h> #include <asm/div64.h> #include "compat.h" #include "ctree.h" @@ -1905,6 +1906,9 @@ int btrfs_balance(struct btrfs_root *dev_root) if (dev_root->fs_info->sb->s_flags & MS_RDONLY) return -EROFS; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + mutex_lock(&dev_root-&g...

.../arch/x86/kernel/cpu/vmware.c index 098a524..9b29511 100644 --- a/arch/x86/kernel/cpu/vmware.c +++ b/arch/x86/kernel/cpu/vmware.c @@ -24,10 +24,15 @@ #include <linux/dmi.h> #include <linux/init.h> #include <linux/export.h> +#include <linux/clocksource.h> #include <asm/div64.h> #include <asm/x86_init.h> #include <asm/hypervisor.h> #include <asm/apic.h> +#include <asm/timer.h> + +#undef pr_fmt +#define pr_fmt(fmt) "vmware: " fmt #define CPUID_VMWARE_INFO_LEAF 0x40000000 #define VMWARE_HYPERVISOR_MAGIC 0x564D5868 @@ -62,10 +67,...

Thanks Thomas for the valuable comments. Changelog for the updated patchset: v1->v2 - Update pvinfo.name. v2->v3 - Address comments from Thomas G, * Created separate function: vmware_sched_clock_setup() (patch 3/3) * Updated commit descriptions for 1/3 and 3/3 Alexey Makhalov (3): x86/vmware: Use tsc_khz value for calibrate_cpu() x86/vmware: Add basic paravirt ops support