linux-kernel - [PATCH 3/6] um: Remove unused fields from thread

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Message-Id: <20240816015447.320394-4-tiwei.btw@antgroup.com>
Date: Fri, 16 Aug 2024 09:54:44 +0800
From: "Tiwei Bie" <tiwei.btw@...group.com>
To: richard@....at,
	anton.ivanov@...bridgegreys.com,
	johannes@...solutions.net
Cc:  <linux-um@...ts.infradead.org>,
   <linux-kernel@...r.kernel.org>,
  "Tiwei Bie" <tiwei.btw@...group.com>
Subject: [PATCH 3/6] um: Remove unused fields from thread_struct

These fields are no longer used since the removal of tt mode.

Signed-off-by: Tiwei Bie <tiwei.btw@...group.com>
---
 arch/um/include/asm/processor-generic.h | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/arch/um/include/asm/processor-generic.h b/arch/um/include/asm/processor-generic.h
index 5a7c05275aa7..864389ee29f6 100644
--- a/arch/um/include/asm/processor-generic.h
+++ b/arch/um/include/asm/processor-generic.h
@@ -28,19 +28,11 @@ struct thread_struct {
 	struct arch_thread arch;
 	jmp_buf switch_buf;
 	struct {
-		int op;
 		union {
-			struct {
-				int pid;
-			} fork, exec;
 			struct {
 				int (*proc)(void *);
 				void *arg;
 			} thread;
-			struct {
-				void (*proc)(void *);
-				void *arg;
-			} cb;
 		} u;
 	} request;
 };
@@ -51,7 +43,7 @@ struct thread_struct {
 	.fault_addr		= NULL, \
 	.prev_sched		= NULL, \
 	.arch			= INIT_ARCH_THREAD, \
-	.request		= { 0 } \
+	.request		= { } \
 }
 
 /*
-- 
2.34.1