Messages in this thread Patch in this message | | | From | Alex Shi <> | Subject | [PATCH] x86/iperm: remove unused pointers | Date | Tue, 21 Jan 2020 16:40:54 +0800 |
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No one use the prev/next pointers in its function after commit 22fe5b0439dd ("x86/ioperm: Move TSS bitmap update to exit to user work"). So better to remove them.
Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: x86@kernel.org Cc: Andy Lutomirski <luto@kernel.org> Cc: Rik van Riel <riel@surriel.com> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Waiman Long <longman@redhat.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: linux-kernel@vger.kernel.org --- arch/x86/kernel/process.c | 4 ---- 1 file changed, 4 deletions(-)
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 61e93a318983..839b5244e3b7 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -615,12 +615,8 @@ void speculation_ctrl_update_current(void) void __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p) { - struct thread_struct *prev, *next; unsigned long tifp, tifn; - prev = &prev_p->thread; - next = &next_p->thread; - tifn = READ_ONCE(task_thread_info(next_p)->flags); tifp = READ_ONCE(task_thread_info(prev_p)->flags); -- 1.8.3.1
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