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A Single RISC-V Fix for 6.12-rc8

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* A fix for the CPU perf driver that avoids leaking CPU ID references on
   systems without snapshot support.
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Merge tag 'riscv-for-linus-6.12-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fix from Palmer Dabbelt:

 - A fix for the CPU perf driver that avoids leaking CPU ID references
   on systems without snapshot support.

* tag 'riscv-for-linus-6.12-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  drivers: perf: Fix wrong put_cpu() placement
This commit is contained in:
Linus Torvalds 2024-11-15 11:44:32 -08:00
commit e8bdb3c8be
1 changed files with 2 additions and 2 deletions
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4
drivers/perf/riscv_pmu_sbi.c
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@ -1393,8 +1393,9 @@ static int pmu_sbi_device_probe(struct platform_device *pdev)
goto out_unregister;
cpu = get_cpu();
ret = pmu_sbi_snapshot_setup(pmu, cpu);
put_cpu();
if (ret) {
/* Snapshot is an optional feature. Continue if not available */
pmu_sbi_snapshot_free(pmu);
@ -1408,7 +1409,6 @@ static int pmu_sbi_device_probe(struct platform_device *pdev)
*/
static_branch_enable(&sbi_pmu_snapshot_available);
}
put_cpu();
}
register_sysctl("kernel", sbi_pmu_sysctl_table);