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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
commitf4cdf7ca9a1fdcca413157df19753f388a5a224e (patch)
tree60a31895b2446cd7fa27514e8c2843534a0de0da /tools/perf/util/mem-info.c
downloadlinux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz
linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ...
Diffstat (limited to 'tools/perf/util/mem-info.c')
-rw-r--r--tools/perf/util/mem-info.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/tools/perf/util/mem-info.c b/tools/perf/util/mem-info.c
new file mode 100644
index 000000000..d3efa9c13
--- /dev/null
+++ b/tools/perf/util/mem-info.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/zalloc.h>
+#include "mem-info.h"
+
+struct mem_info *mem_info__get(struct mem_info *mi)
+{
+ struct mem_info *result;
+
+ if (RC_CHK_GET(result, mi))
+ refcount_inc(mem_info__refcnt(mi));
+
+ return result;
+}
+
+void mem_info__put(struct mem_info *mi)
+{
+ if (mi && refcount_dec_and_test(mem_info__refcnt(mi))) {
+ addr_map_symbol__exit(mem_info__iaddr(mi));
+ addr_map_symbol__exit(mem_info__daddr(mi));
+ RC_CHK_FREE(mi);
+ } else {
+ RC_CHK_PUT(mi);
+ }
+}
+
+struct mem_info *mem_info__new(void)
+{
+ struct mem_info *result = NULL;
+ RC_STRUCT(mem_info) *mi = zalloc(sizeof(*mi));
+
+ if (ADD_RC_CHK(result, mi))
+ refcount_set(mem_info__refcnt(result), 1);
+
+ return result;
+}
+
+struct mem_info *mem_info__clone(struct mem_info *mi)
+{
+ struct mem_info *result = mem_info__new();
+
+ if (result) {
+ addr_map_symbol__copy(mem_info__iaddr(result), mem_info__iaddr(mi));
+ addr_map_symbol__copy(mem_info__daddr(result), mem_info__daddr(mi));
+ mem_info__data_src(result)->val = mem_info__data_src(mi)->val;
+ }
+
+ return result;
+}