search for: pcur

...--git a/src/gallium/auxiliary/tgsi/tgsi_text.c b/src/gallium/auxiliary/tgsi/tgsi_text.c index 93a05568f4..c5fcb3283d 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_text.c +++ b/src/gallium/auxiliary/tgsi/tgsi_text.c @@ -999,6 +999,7 @@ parse_texoffset_operand( static boolean match_inst(const char **pcur, unsigned *saturate, + unsigned *precise, const struct tgsi_opcode_info *info) { const char *cur = *pcur; @@ -1007,6 +1008,7 @@ match_inst(const char **pcur, if (str_match_nocase_whole(&cur, info->mnemonic)) { *pcur = cur; *saturate =...

Running Tomb Raider on Nouveau I found some flicker caused by ignoring precise modifiers on variables inside Nouveau. This series add precise/invariant handling to TGSI, which can be then used by drivers to disable certain unsafe optimisations which may otherwise alter calculations, which depend on having the same result across shaders. This series fixes this bug in Tomb Raider and one CTS test

...ure of new queue head + * + * The current CPU should have gotten the lock before calling this function. + */ +static inline void pv_wait_check(struct qspinlock *lock, + struct mcs_spinlock *node, struct mcs_spinlock *next) +{ + struct pv_qnode *pnxt = (struct pv_qnode *)next; + struct pv_qnode *pcur = (struct pv_qnode *)node; + + if (!pv_enabled()) + return; + /* + * Clear the locked and head values of lock holder + */ + pcur->mcs.locked = false; + pcur->head = PV_INVALID_HEAD; + + /* + * Halt state checking will only be done if the mayhalt flag is set + * to avoid the overhead of...

...ure of new queue head + * + * The current CPU should have gotten the lock before calling this function. + */ +static inline void pv_wait_check(struct qspinlock *lock, + struct mcs_spinlock *node, struct mcs_spinlock *next) +{ + struct pv_qnode *pnxt = (struct pv_qnode *)next; + struct pv_qnode *pcur = (struct pv_qnode *)node; + + if (!pv_enabled()) + return; + /* + * Clear the locked and head values of lock holder + */ + pcur->mcs.locked = false; + pcur->head = PV_INVALID_HEAD; + + /* + * Halt state checking will only be done if the mayhalt flag is set + * to avoid the overhead of...

...ure of new queue head + * + * The current CPU should have gotten the lock before calling this function. + */ +static inline void pv_wait_check(struct qspinlock *lock, + struct mcs_spinlock *node, struct mcs_spinlock *next) +{ + struct pv_qnode *pnxt = (struct pv_qnode *)next; + struct pv_qnode *pcur = (struct pv_qnode *)node; + + /* + * Clear the locked and head values of lock holder + */ + pcur->mcs.locked = false; + pcur->head = PV_INVALID_HEAD; + + /* + * Halt state checking will only be done if the mayhalt flag is set + * to avoid the overhead of the memory barrier in normal cas...

...ure of new queue head + * + * The current CPU should have gotten the lock before calling this function. + */ +static inline void pv_wait_check(struct qspinlock *lock, + struct mcs_spinlock *node, struct mcs_spinlock *next) +{ + struct pv_qnode *pnxt = (struct pv_qnode *)next; + struct pv_qnode *pcur = (struct pv_qnode *)node; + + /* + * Clear the locked and head values of lock holder + */ + pcur->mcs.locked = false; + pcur->head = PV_INVALID_HEAD; + + /* + * Halt state checking will only be done if the mayhalt flag is set + * to avoid the overhead of the memory barrier in normal cas...

On 10/24/2014 04:47 AM, Peter Zijlstra wrote: > On Thu, Oct 16, 2014 at 02:10:38PM -0400, Waiman Long wrote: >> +static inline void pv_init_node(struct mcs_spinlock *node) >> +{ >> + struct pv_qnode *pn = (struct pv_qnode *)node; >> + >> + BUILD_BUG_ON(sizeof(struct pv_qnode)> 5*sizeof(struct mcs_spinlock)); >> + >> + if (!pv_enabled()) >> +

On 10/24/2014 04:47 AM, Peter Zijlstra wrote: > On Thu, Oct 16, 2014 at 02:10:38PM -0400, Waiman Long wrote: >> +static inline void pv_init_node(struct mcs_spinlock *node) >> +{ >> + struct pv_qnode *pn = (struct pv_qnode *)node; >> + >> + BUILD_BUG_ON(sizeof(struct pv_qnode)> 5*sizeof(struct mcs_spinlock)); >> + >> + if (!pv_enabled()) >> +

...turn smp_load_acquire(&lock->val.counter); - for (;;) { unsigned int count; s8 oldstate; @@ -328,8 +319,6 @@ static inline void pv_wait_check(struct qspinlock *lock, struct pv_qnode *pnxt = (struct pv_qnode *)next; struct pv_qnode *pcur = (struct pv_qnode *)node; - if (!pv_enabled()) - return; /* * Clear the locked and head values of lock holder */ diff --git a/kernel/locking/qspinlock.c b/kernel/locking/qspinlock.c index 1662dbd..05aea57 100644 --- a/kernel/locking/qspinlock.c +++...

...turn smp_load_acquire(&lock->val.counter); - for (;;) { unsigned int count; s8 oldstate; @@ -328,8 +319,6 @@ static inline void pv_wait_check(struct qspinlock *lock, struct pv_qnode *pnxt = (struct pv_qnode *)next; struct pv_qnode *pcur = (struct pv_qnode *)node; - if (!pv_enabled()) - return; /* * Clear the locked and head values of lock holder */ diff --git a/kernel/locking/qspinlock.c b/kernel/locking/qspinlock.c index 1662dbd..05aea57 100644 --- a/kernel/locking/qspinlock.c +++...

v11->v12: - Based on PeterZ's version of the qspinlock patch (https://lkml.org/lkml/2014/6/15/63). - Incorporated many of the review comments from Konrad Wilk and Paolo Bonzini. - The pvqspinlock code is largely from my previous version with PeterZ's way of going from queue tail to head and his idea of using callee saved calls to KVM and XEN codes. v10->v11: - Use a

v11->v12: - Based on PeterZ's version of the qspinlock patch (https://lkml.org/lkml/2014/6/15/63). - Incorporated many of the review comments from Konrad Wilk and Paolo Bonzini. - The pvqspinlock code is largely from my previous version with PeterZ's way of going from queue tail to head and his idea of using callee saved calls to KVM and XEN codes. v10->v11: - Use a

v13->v14: - Patches 1 & 2: Add queue_spin_unlock_wait() to accommodate commit 78bff1c86 from Oleg Nesterov. - Fix the system hang problem when using PV qspinlock in an over-committed guest due to a racing condition in the pv_set_head_in_tail() function. - Increase the MAYHALT_THRESHOLD from 10 to 1024. - Change kick_cpu into a regular function pointer instead of a

v13->v14: - Patches 1 & 2: Add queue_spin_unlock_wait() to accommodate commit 78bff1c86 from Oleg Nesterov. - Fix the system hang problem when using PV qspinlock in an over-committed guest due to a racing condition in the pv_set_head_in_tail() function. - Increase the MAYHALT_THRESHOLD from 10 to 1024. - Change kick_cpu into a regular function pointer instead of a

v12->v13: - Change patch 9 to generate separate versions of the queue_spin_lock_slowpath functions for bare metal and PV guest. This reduces the performance impact of the PV code on bare metal systems. v11->v12: - Based on PeterZ's version of the qspinlock patch (https://lkml.org/lkml/2014/6/15/63). - Incorporated many of the review comments from Konrad Wilk and Paolo

v12->v13: - Change patch 9 to generate separate versions of the queue_spin_lock_slowpath functions for bare metal and PV guest. This reduces the performance impact of the PV code on bare metal systems. v11->v12: - Based on PeterZ's version of the qspinlock patch (https://lkml.org/lkml/2014/6/15/63). - Incorporated many of the review comments from Konrad Wilk and Paolo