search for: nospec

.../gettimeofday.h | 1 + > arch/arm64/include/asm/vdso/compat_gettimeofday.h | 1 + > arch/arm64/include/asm/vdso/gettimeofday.h | 1 + > arch/riscv/include/asm/vdso/gettimeofday.h | 1 + > include/asm-generic/rwonce.h | 2 -- > include/linux/nospec.h | 2 ++ > 6 files changed, 6 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/include/asm/vdso/gettimeofday.h b/arch/arm/include/asm/vdso/gettimeofday.h > index 36dc18553ed8..1b207cf07697 100644 > --- a/arch/arm/include/asm/vdso/gettimeofday.h >...

...arch/arm/include/asm/vdso/gettimeofday.h | 1 + arch/arm64/include/asm/vdso/compat_gettimeofday.h | 1 + arch/arm64/include/asm/vdso/gettimeofday.h | 1 + arch/riscv/include/asm/vdso/gettimeofday.h | 1 + include/asm-generic/rwonce.h | 2 -- include/linux/nospec.h | 2 ++ 6 files changed, 6 insertions(+), 2 deletions(-) diff --git a/arch/arm/include/asm/vdso/gettimeofday.h b/arch/arm/include/asm/vdso/gettimeofday.h index 36dc18553ed8..1b207cf07697 100644 --- a/arch/arm/include/asm/vdso/gettimeofday.h +++ b/arch/arm/include/asm/v...

...etime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG' BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition) ^~~~~~~~~~~~~~~~ >> include/linux/nospec.h:55:2: note: in expansion of macro 'BUILD_BUG_ON' BUILD_BUG_ON(sizeof(_i) > sizeof(long)); \ ^~~~~~~~~~~~ >> drivers/vhost/vhost.c:2076:5: note: in expansion of macro 'array_index_nospec' array_index_nospec(addr - node->start, ^~~~~~~~~~~~~~~...

...sertions(+), 12 deletions(-) diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 351af88..9c94c41 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -31,6 +31,7 @@ #include <linux/sched/signal.h> #include <linux/interval_tree_generic.h> #include <linux/nospec.h> +#include <asm/futex.h> #include "vhost.h" @@ -1692,25 +1693,27 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp) } EXPORT_SYMBOL_GPL(vhost_dev_ioctl); -/* TODO: This is really inefficient. We need something like get_user() - * (inst...

...sertions(+), 12 deletions(-) diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 351af88..9c94c41 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -31,6 +31,7 @@ #include <linux/sched/signal.h> #include <linux/interval_tree_generic.h> #include <linux/nospec.h> +#include <asm/futex.h> #include "vhost.h" @@ -1692,25 +1693,27 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp) } EXPORT_SYMBOL_GPL(vhost_dev_ioctl); -/* TODO: This is really inefficient. We need something like get_user() - * (inst...

...y: YueHaibing <yuehaibing at huawei.com> --- drivers/vhost/vdpa.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index 3fab94f88894..95e2b8307a2a 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -22,7 +22,6 @@ #include <linux/nospec.h> #include <linux/vhost.h> #include <linux/virtio_net.h> -#include <linux/kernel.h> #include "vhost.h" -- 2.17.1

...can do the right thing. > +namespace llvm { > + class Regex { > + public: > + enum { > + // Compile with recognition of all special characters turned off. > + // All characters are thus considered ordinary, > + // so the RE is a literal string. > + NOSPEC=1, > + // Compile for matching that ignores upper/lower case distinctions. > + ICASE=2, > + // Compile for matching that need only report success or failure, > + // not what was matched. > + NOSUB=4, > + // Compile for newline-sensitive matching. With...

...t; +namespace llvm { >> + class Regex { >> + public: >> + enum { >> + // Compile with recognition of all special characters turned off. >> + // All characters are thus considered ordinary, >> + // so the RE is a literal string. >> + NOSPEC=1, >> + // Compile for matching that ignores upper/lower case distinctions. >> + ICASE=2, >> + // Compile for matching that need only report success or failure, >> + // not what was matched. >> + NOSUB=4, >> + // Compile for newline-...

...it describes the format of the regex as > accepted by this implementation. > I'll remove regex.3 since its not exposed. Ok. >> Can you make these doxyments? Also, I'd prefer more LLVM style and less Unix >> style enum names, IgnoreCase for example. >> >> Does NOSPEC actually ever make sense to use? Wouldn't clients just use string >> compare? >> > > Indeed, it is worthless for LLVM. > There's also REG_PEND (non-POSIX, but this impl. supports it) that > allows matching patterns > with embedded NULs. Would that be needed/useful...

...sertions(+), 18 deletions(-) diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 351af88..4e5a004 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -31,6 +31,7 @@ #include <linux/sched/signal.h> #include <linux/interval_tree_generic.h> #include <linux/nospec.h> +#include <asm/futex.h> #include "vhost.h" @@ -1652,6 +1653,10 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp) r = -EFAULT; break; } + if (p & 0x3) { + r = -EINVAL; + break; + } for (i = 0; i < d->nvqs; ++i...

...sertions(+), 18 deletions(-) diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 351af88..4e5a004 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -31,6 +31,7 @@ #include <linux/sched/signal.h> #include <linux/interval_tree_generic.h> #include <linux/nospec.h> +#include <asm/futex.h> #include "vhost.h" @@ -1652,6 +1653,10 @@ long vhost_dev_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *argp) r = -EFAULT; break; } + if (p & 0x3) { + r = -EINVAL; + break; + } for (i = 0; i < d->nvqs; ++i...

...1 insertions(+), 1 deletion(-) diff --git a/arch/x86/entry/entry_64.S b/arch/x86/entry/entry_64.S index 729876d368c5..355470b36896 100644 --- a/arch/x86/entry/entry_64.S +++ b/arch/x86/entry/entry_64.S @@ -38,6 +38,7 @@ #include <asm/export.h> #include <asm/frame.h> #include <asm/nospec-branch.h> +#include <asm/sev-es.h> #include <linux/err.h> #include "calling.h" @@ -629,6 +630,13 @@ SYM_INNER_LABEL(swapgs_restore_regs_and_return_to_usermode, SYM_L_GLOBAL) ud2 1: #endif + + /* + * This code path is used by the NMI handler, so check if NMIs + * n...

...7 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -28,7 +28,7 @@ #include <linux/sort.h> #include <linux/sched/mm.h> #include <linux/sched/signal.h> -#include <linux/interval_tree_generic.h> +#include <linux/interval_tree_gen.h> #include <linux/nospec.h> #include "vhost.h" @@ -51,7 +51,7 @@ enum { INTERVAL_TREE_DEFINE(struct vhost_umem_node, rb, __u64, __subtree_last, - START, LAST, static inline, vhost_umem_interval_tree); + START, END, static inline, vhost_umem_interval_tree); #ifdef CONFIG_VHOST_CROSS...

...include/uapi/linux/vhost_types.h | 2 ++ > 3 files changed, 57 insertions(+) > > diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c > index 421f02a..f1f69bf 100644 > --- a/drivers/vhost/vdpa.c > +++ b/drivers/vhost/vdpa.c > @@ -21,6 +21,7 @@ > #include <linux/nospec.h> > #include <linux/vhost.h> > #include <linux/virtio_net.h> > +#include <linux/kernel.h> > > #include "vhost.h" > > @@ -70,6 +71,7 @@ struct vhost_vdpa { > int nvqs; > int virtio_id; > int minor; > + struct event...

On 2009-08-24 20:14, Chris Lattner wrote: > On Aug 23, 2009, at 11:59 PM, Török Edwin wrote: >> If LLVM is going to have an integrated regex library I suggest using it >> regardless if the platform has one. >> The LLVM integrated regex library will provide consistent behaviour and >> execution time, the system one will not. > > Hi Edwin, > > Can you propose

...y this implementation. >> I'll remove regex.3 since its not exposed. >> > > Ok. > > >>> Can you make these doxyments? Also, I'd prefer more LLVM style and less Unix >>> style enum names, IgnoreCase for example. >>> >>> Does NOSPEC actually ever make sense to use? Wouldn't clients just use string >>> compare? >>> >>> >> Indeed, it is worthless for LLVM. >> There's also REG_PEND (non-POSIX, but this impl. supports it) that >> allows matching patterns >> with emb...

...e/uapi/linux/vhost.h | 2 ++ > 4 files changed, 52 insertions(+), 1 deletion(-) > > diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c > index 421f02a..b94e349 100644 > --- a/drivers/vhost/vdpa.c > +++ b/drivers/vhost/vdpa.c > @@ -21,6 +21,7 @@ > #include <linux/nospec.h> > #include <linux/vhost.h> > #include <linux/virtio_net.h> > +#include <linux/kernel.h> > > #include "vhost.h" > > @@ -70,6 +71,7 @@ struct vhost_vdpa { > int nvqs; > int virtio_id; > int minor; > + struct event...

...e/uapi/linux/vhost.h | 2 ++ > 4 files changed, 52 insertions(+), 1 deletion(-) > > diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c > index 421f02a..b94e349 100644 > --- a/drivers/vhost/vdpa.c > +++ b/drivers/vhost/vdpa.c > @@ -21,6 +21,7 @@ > #include <linux/nospec.h> > #include <linux/vhost.h> > #include <linux/virtio_net.h> > +#include <linux/kernel.h> > > #include "vhost.h" > > @@ -70,6 +71,7 @@ struct vhost_vdpa { > int nvqs; > int virtio_id; > int minor; > + struct event...

On Aug 23, 2009, at 11:59 PM, Török Edwin wrote: > If LLVM is going to have an integrated regex library I suggest using > it > regardless if the platform has one. > The LLVM integrated regex library will provide consistent behaviour > and > execution time, the system one will not. Hi Edwin, Can you propose the openbsd implementation as a patch to lib/support? -Chris

...sertions(+), 24 deletions(-) diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 351af88..7fa05ba 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -31,6 +31,7 @@ #include <linux/sched/signal.h> #include <linux/interval_tree_generic.h> #include <linux/nospec.h> +#include <asm/futex.h> #include "vhost.h" @@ -43,6 +44,8 @@ MODULE_PARM_DESC(max_iotlb_entries, "Maximum number of iotlb entries. (default: 2048)"); +static DEFINE_MUTEX(vhost_log_lock); + enum { VHOST_MEMORY_F_LOG = 0x1, }; @@ -1692,28 +1695,31 @@ lon...