s390/cpum_sf: handle casts consistently
authorThomas Richter <tmricht@linux.ibm.com>
Fri, 23 Jun 2023 09:22:40 +0000 (11:22 +0200)
committerAlexander Gordeev <agordeev@linux.ibm.com>
Tue, 4 Jul 2023 05:45:18 +0000 (07:45 +0200)
The casts are written in two different notations:
   (cast) expression
and
   (cast)expression
Convert statements with the first notation to the second notation.
No functional change.

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
arch/s390/kernel/perf_cpum_sf.c

index ebe4b2f..003b9a2 100644 (file)
@@ -43,7 +43,7 @@
 #define CPUM_SF_SDBT_TL_OFFSET (CPUM_SF_SDB_PER_TABLE * 8)
 static inline int require_table_link(const void *sdbt)
 {
-       return ((unsigned long) sdbt & ~PAGE_MASK) == CPUM_SF_SDBT_TL_OFFSET;
+       return ((unsigned long)sdbt & ~PAGE_MASK) == CPUM_SF_SDBT_TL_OFFSET;
 }
 
 /* Minimum and maximum sampling buffer sizes:
@@ -192,7 +192,7 @@ static void free_sampling_buffer(struct sf_buffer *sfb)
                if (is_link_entry(curr)) {
                        curr = get_next_sdbt(curr);
                        if (sdbt)
-                               free_page((unsigned long) sdbt);
+                               free_page((unsigned long)sdbt);
 
                        /* If the origin is reached, sampling buffer is freed */
                        if (curr == sfb->sdbt)
@@ -278,7 +278,7 @@ static int realloc_sampling_buffer(struct sf_buffer *sfb,
        for (i = 0; i < num_sdb; i++) {
                /* Allocate a new SDB-table if it is full. */
                if (require_table_link(tail)) {
-                       new = (unsigned long *) get_zeroed_page(gfp_flags);
+                       new = (unsigned long *)get_zeroed_page(gfp_flags);
                        if (!new) {
                                rc = -ENOMEM;
                                break;
@@ -304,7 +304,7 @@ static int realloc_sampling_buffer(struct sf_buffer *sfb,
                         */
                        if (tail_prev) {
                                sfb->num_sdbt--;
-                               free_page((unsigned long) new);
+                               free_page((unsigned long)new);
                                tail = tail_prev;
                        }
                        break;
@@ -343,7 +343,7 @@ static int alloc_sampling_buffer(struct sf_buffer *sfb, unsigned long num_sdb)
                return -EINVAL;
 
        /* Allocate the sample-data-block-table origin */
-       sfb->sdbt = (unsigned long *) get_zeroed_page(GFP_KERNEL);
+       sfb->sdbt = (unsigned long *)get_zeroed_page(GFP_KERNEL);
        if (!sfb->sdbt)
                return -ENOMEM;
        sfb->num_sdb = 0;
@@ -597,7 +597,7 @@ static void setup_pmc_cpu(void *flags)
        struct cpu_hw_sf *cpusf = this_cpu_ptr(&cpu_hw_sf);
        int err = 0;
 
-       switch (*((int *) flags)) {
+       switch (*((int *)flags)) {
        case PMC_INIT:
                memset(cpusf, 0, sizeof(*cpusf));
                err = qsi(&cpusf->qsi);
@@ -614,7 +614,7 @@ static void setup_pmc_cpu(void *flags)
                break;
        }
        if (err) {
-               *((int *) flags) |= PMC_FAILURE;
+               *((int *)flags) |= PMC_FAILURE;
                pr_err("Switching off the sampling facility failed with rc %i\n", err);
        }
 }
@@ -1214,7 +1214,7 @@ static void hw_collect_samples(struct perf_event *event, unsigned long *sdbt,
 
        te = trailer_entry_ptr((unsigned long)sdbt);
        sample = (struct hws_basic_entry *)sdbt;
-       while ((unsigned long *) sample < (unsigned long *) te) {
+       while ((unsigned long *)sample < (unsigned long *)te) {
                /* Check for an empty sample */
                if (!sample->def || sample->LS)
                        break;
@@ -1291,7 +1291,7 @@ static void hw_perf_event_update(struct perf_event *event, int flush_all)
        if (SAMPL_DIAG_MODE(&event->hw))
                return;
 
-       sdbt = (unsigned long *) TEAR_REG(hwc);
+       sdbt = (unsigned long *)TEAR_REG(hwc);
        done = event_overflow = sampl_overflow = num_sdb = 0;
        while (!done) {
                /* Get the trailer entry of the sample-data-block */
@@ -1794,7 +1794,7 @@ static void *aux_buffer_setup(struct perf_event *event, void **pages,
 
        /* Allocate the first SDBT */
        sfb->num_sdbt = 0;
-       sfb->sdbt = (unsigned long *) get_zeroed_page(GFP_KERNEL);
+       sfb->sdbt = (unsigned long *)get_zeroed_page(GFP_KERNEL);
        if (!sfb->sdbt)
                goto no_sdbt;
        aux->sdbt_index[sfb->num_sdbt++] = (unsigned long)sfb->sdbt;
@@ -1806,7 +1806,7 @@ static void *aux_buffer_setup(struct perf_event *event, void **pages,
         */
        for (i = 0; i < nr_pages; i++, tail++) {
                if (require_table_link(tail)) {
-                       new = (unsigned long *) get_zeroed_page(GFP_KERNEL);
+                       new = (unsigned long *)get_zeroed_page(GFP_KERNEL);
                        if (!new)
                                goto no_sdbt;
                        aux->sdbt_index[sfb->num_sdbt++] = (unsigned long)new;
@@ -1963,8 +1963,8 @@ static int cpumsf_pmu_add(struct perf_event *event, int flags)
        cpuhw->lsctl.interval = SAMPL_RATE(&event->hw);
        if (!SAMPL_DIAG_MODE(&event->hw)) {
                cpuhw->lsctl.tear = virt_to_phys(cpuhw->sfb.sdbt);
-               cpuhw->lsctl.dear = *(unsigned long *) cpuhw->sfb.sdbt;
-               TEAR_REG(&event->hw) = (unsigned long) cpuhw->sfb.sdbt;
+               cpuhw->lsctl.dear = *(unsigned long *)cpuhw->sfb.sdbt;
+               TEAR_REG(&event->hw) = (unsigned long)cpuhw->sfb.sdbt;
        }
 
        /* Ensure sampling functions are in the disabled state.  If disabled,