nuttx/nuttx-update
1
2
Fork 1
Code Issues 1 Pull requests 1 Projects Releases Packages Wiki Activity Actions

remove redundant judgments *running_task != NULL

Browse source 
reason:
In irq, g_running_tasks is always valid.

Signed-off-by: hujun5 <hujun5@xiaomi.com>
This commit is contained in:
hujun5 2024-12-04 20:51:04 +08:00 committed by Xiang Xiao
parent cc88063646
commit dabf589940
12 changed files with 23 additions and 64 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
arch/avr/src/avr/avr_doirq.c
View file

@ -61,10 +61,7 @@ uint8_t *avr_doirq(uint8_t irq, uint8_t *regs)
{
struct tcb_s **running_task = &g_running_tasks[this_cpu()];
if (*running_task != NULL)
{
avr_copystate((*running_task)->xcp.regs, regs);
}
board_autoled_on(LED_INIRQ);
#ifdef CONFIG_SUPPRESS_INTERRUPTS
@ -104,7 +101,7 @@ uint8_t *avr_doirq(uint8_t irq, uint8_t *regs)
* crashes.
*/
g_running_tasks[this_cpu()] = this_task();
*running_task = this_task();
}
regs = up_current_regs(); /* Cast removes volatile attribute */

5
arch/avr/src/avr32/avr_doirq.c
View file

@ -63,10 +63,7 @@ uint32_t *avr_doirq(int irq, uint32_t *regs)
struct tcb_s **running_task = &g_running_tasks[this_cpu()];
struct tcb_s *tcb;
if (*running_task != NULL)
{
avr_copystate((*running_task)->xcp.regs, regs);
}
board_autoled_on(LED_INIRQ);
#ifdef CONFIG_SUPPRESS_INTERRUPTS
@ -117,7 +114,7 @@ uint32_t *avr_doirq(int irq, uint32_t *regs)
* crashes.
*/
g_running_tasks[this_cpu()] = tcb;
*running_task = tcb;
}
/* If a context switch occurred while processing the interrupt then

5
arch/hc/src/common/hc_doirq.c
View file

@ -63,10 +63,7 @@ uint8_t *hc_doirq(int irq, uint8_t *regs)
struct tcb_s **running_task = &g_running_tasks[this_cpu()];
struct tcb_s *tcb;
if (*running_task != NULL)
{
hc_copystate((*running_task)->xcp.regs);
}
board_autoled_on(LED_INIRQ);
#ifdef CONFIG_SUPPRESS_INTERRUPTS
@ -117,7 +114,7 @@ uint8_t *hc_doirq(int irq, uint8_t *regs)
* crashes.
*/
g_running_tasks[this_cpu()] = tcb;
*running_task = tcb;
}
/* If a context switch occurred while processing the interrupt then

5
arch/or1k/src/common/or1k_doirq.c
View file

@ -45,10 +45,7 @@ uint32_t *or1k_doirq(int irq, uint32_t *regs)
{
struct tcb_s **running_task = &g_running_tasks[this_cpu()];
if (*running_task != NULL)
{
or1k_copyfullstate((*running_task)->xcp.regs, regs);
}
board_autoled_on(LED_INIRQ);
#ifdef CONFIG_SUPPRESS_INTERRUPTS
@ -86,7 +83,7 @@ uint32_t *or1k_doirq(int irq, uint32_t *regs)
* crashes.
*/
g_running_tasks[this_cpu()] = this_task();
*running_task = this_task();
}
regs = up_current_regs();

5
arch/renesas/src/common/renesas_doirq.c
View file

@ -63,10 +63,7 @@ uint32_t *renesas_doirq(int irq, uint32_t * regs)
struct tcb_s **running_task = &g_running_tasks[this_cpu()];
struct tcb_s *tcb;
if (*running_task != NULL)
{
renesas_copystate((*running_task)->xcp.regs, regs);
}
board_autoled_on(LED_INIRQ);
#ifdef CONFIG_SUPPRESS_INTERRUPTS
@ -120,7 +117,7 @@ uint32_t *renesas_doirq(int irq, uint32_t * regs)
* crashes.
*/
g_running_tasks[this_cpu()] = tcb;
*running_task = tcb;
}
/* Get the current value of regs... it may have changed because

5
arch/sim/src/sim/sim_doirq.c
View file

@ -67,10 +67,7 @@ void *sim_doirq(int irq, void *context)
{
struct tcb_s **running_task = &g_running_tasks[this_cpu()];
if (*running_task != NULL)
{
sim_copyfullstate((*running_task)->xcp.regs, regs);
}
up_set_current_regs(regs);
@ -91,7 +88,7 @@ void *sim_doirq(int irq, void *context)
* crashes.
*/
g_running_tasks[this_cpu()] = this_task();
*running_task = this_task();
}
regs = up_current_regs();

3
arch/x86/src/qemu/qemu_handlers.c
View file

@ -91,10 +91,7 @@ static uint32_t *common_handler(int irq, uint32_t *regs)
DEBUGASSERT(up_current_regs() == NULL);
up_set_current_regs(regs);
if (*running_task != NULL)
{
x86_savestate((*running_task)->xcp.regs);
}
/* Deliver the IRQ */

9
arch/x86_64/src/intel64/intel64_handlers.c
View file

@ -66,12 +66,8 @@ static uint64_t *common_handler(int irq, uint64_t *regs)
{
struct tcb_s **running_task = &g_running_tasks[this_cpu()];
struct tcb_s *tcb;
int cpu;
if (*running_task != NULL)
{
(*running_task)->xcp.regs = regs;
}
/* Current regs non-zero indicates that we are processing an interrupt;
* g_current_regs is also used to manage interrupt level context switches.
@ -108,7 +104,6 @@ static uint64_t *common_handler(int irq, uint64_t *regs)
/* Update scheduler parameters */
cpu = this_cpu();
nxsched_suspend_scheduler(*running_task);
nxsched_resume_scheduler(tcb);
@ -117,11 +112,11 @@ static uint64_t *common_handler(int irq, uint64_t *regs)
* crashes.
*/
g_running_tasks[cpu] = tcb;
*running_task = tcb;
/* Restore the cpu lock */
restore_critical_section(tcb, cpu);
restore_critical_section(tcb, this_cpu());
}
/* If a context switch occurred while processing the interrupt then

6
arch/xtensa/src/common/xtensa_assert.c
View file

@ -69,10 +69,7 @@ void xtensa_panic(int xptcode, uint32_t *regs)
{
struct tcb_s **running_task = &g_running_tasks[this_cpu()];
if (*running_task != NULL)
{
(*running_task)->xcp.regs = regs;
}
up_set_interrupt_context(true);
@ -175,10 +172,7 @@ void xtensa_user_panic(int exccause, uint32_t *regs)
{
struct tcb_s **running_task = &g_running_tasks[this_cpu()];
if (*running_task != NULL)
{
(*running_task)->xcp.regs = regs;
}
up_set_interrupt_context(true);

5
arch/z16/src/common/z16_doirq.c
View file

@ -63,10 +63,7 @@ FAR chipreg_t *z16_doirq(int irq, FAR chipreg_t *regs)
struct tcb_s **running_task = &g_running_tasks[this_cpu()];
FAR chipreg_t *savestate;
if (*running_task != NULL)
{
z16_copystate((*running_task)->xcp.regs, regs)
}
/* Nested interrupts are not supported in this implementation. If
* you want to implement nested interrupts, you would have to (1)
@ -100,7 +97,7 @@ FAR chipreg_t *z16_doirq(int irq, FAR chipreg_t *regs)
* crashes.
*/
g_running_tasks[this_cpu()] = this_task();
*running_task = this_task();
}
/* Restore the previous value of g_current_regs. NULL would indicate

3
arch/z16/src/z16f/z16f_sysexec.c
View file

@ -52,10 +52,7 @@ void z16f_sysexec(FAR chipreg_t *regs)
struct tcb_s **running_task = &g_running_tasks[this_cpu()];
uint16_t excp;
if (*running_task != NULL)
{
z16_copystate((*running_task)->xcp.regs, regs)
}
/* Save that register reference so that it can be used for built-in
* diagnostics.

5
arch/z80/src/common/z80_doirq.c
View file

@ -49,10 +49,7 @@ FAR chipreg_t *z80_doirq(uint8_t irq, FAR chipreg_t *regs)
struct tcb_s **running_task = &g_running_tasks[this_cpu()];
struct tcb_s *tcb;
if (*running_task != NULL)
{
z80_copystate((*running_task)->xcp.regs, regs)
}
board_autoled_on(LED_INIRQ);
@ -103,7 +100,7 @@ FAR chipreg_t *z80_doirq(uint8_t irq, FAR chipreg_t *regs)
* crashes.
*/
g_running_tasks[this_cpu()] = tcb;
*running_task = tcb;
}
regs = newregs;