diff options
| author | Fenghua Yu <[email protected]> | 2016-10-28 15:04:48 -0700 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2016-10-30 19:10:16 -0600 |
| commit | 4f341a5e48443fcc2e2d935ca990e462c02bb1a6 (patch) | |
| tree | 3aa1e0fd99f3e60c7a5645c67432ed90c80f6b47 /arch/x86/kernel/process_32.c | |
| parent | 60ec2440c63dea88a5ef13e2b2549730a0d75a37 (diff) | |
x86/intel_rdt: Add scheduler hook
Hook the x86 scheduler code to update closid based on whether the current
task is assigned to a specific closid or running on a CPU assigned to a
specific closid.
Signed-off-by: Fenghua Yu <[email protected]>
Cc: "Ravi V Shankar" <[email protected]>
Cc: "Tony Luck" <[email protected]>
Cc: "Shaohua Li" <[email protected]>
Cc: "Sai Prakhya" <[email protected]>
Cc: "Peter Zijlstra" <[email protected]>
Cc: "Stephane Eranian" <[email protected]>
Cc: "Dave Hansen" <[email protected]>
Cc: "David Carrillo-Cisneros" <[email protected]>
Cc: "Nilay Vaish" <[email protected]>
Cc: "Vikas Shivappa" <[email protected]>
Cc: "Ingo Molnar" <[email protected]>
Cc: "Borislav Petkov" <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
Diffstat (limited to 'arch/x86/kernel/process_32.c')
| -rw-r--r-- | arch/x86/kernel/process_32.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c index bd7be8efdc4c..efe7f9fce44e 100644 --- a/arch/x86/kernel/process_32.c +++ b/arch/x86/kernel/process_32.c @@ -54,6 +54,7 @@ #include <asm/debugreg.h> #include <asm/switch_to.h> #include <asm/vm86.h> +#include <asm/intel_rdt.h> void __show_regs(struct pt_regs *regs, int all) { @@ -299,5 +300,8 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) this_cpu_write(current_task, next_p); + /* Load the Intel cache allocation PQR MSR. */ + intel_rdt_sched_in(); + return prev_p; } |