[29/31] x86/fpu: Mop up the internal.h leftovers

Message ID	20211011223612.026348843@linutronix.de (mailing list archive)
State	New, archived
Headers	show Return-Path: <kvm-owner@kernel.org> Message-ID: <20211011223612.026348843@linutronix.de> From: Thomas Gleixner <tglx@linutronix.de> To: LKML <linux-kernel@vger.kernel.org> Cc: x86@kernel.org, "Chang S. Bae" <chang.seok.bae@intel.com>, Dave Hansen <dave.hansen@linux.intel.com>, Arjan van de Ven <arjan@linux.intel.com>, kvm@vger.kernel.org, Paolo Bonzini <pbonzini@redhat.com> Subject: [patch 29/31] x86/fpu: Mop up the internal.h leftovers References: <20211011215813.558681373@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Date: Tue, 12 Oct 2021 02:00:42 +0200 (CEST) Precedence: bulk
Series	x86/fpu: Preparatory cleanups for AMX support (part 1) \| expand [00/31] x86/fpu: Preparatory cleanups for AMX support (part 1) [01/31] x86/fpu: Remove pointless argument from switch_fpu_finish() [02/31] x86/fpu: Update stale comments [03/31] x86/pkru: Remove useless include [04/31] x86/fpu: Restrict xsaves()/xrstors() to independent states [05/31] x86/fpu: Cleanup the on_boot_cpu clutter [06/31] x86/fpu: Remove pointless memset in fpu_clone() [07/31] x86/process: Clone FPU in copy_thread() [08/31] x86/fpu: Do not inherit FPU context for kernel and IO worker threads [09/31] x86/fpu: Do not inherit FPU context for CLONE_THREAD [10/31] x86/fpu: Cleanup xstate xcomp_bv initialization [11/31] x86/fpu/xstate: Provide and use for_each_xfeature() [12/31] x86/fpu/xstate: Mark all init only functions __init [13/31] x86/fpu: Move KVMs FPU swapping to FPU core [14/31] x86/fpu: Replace KVMs homebrewn FPU copy from user [15/31] x86/fpu: Rework copy_xstate_to_uabi_buf() [16/31] x86/fpu: Replace KVMs homebrewn FPU copy to user [17/31] x86/fpu: Mark fpu__init_prepare_fx_sw_frame() as __init [18/31] x86/fpu: Move context switch and exit to user inlines into sched.h [19/31] x86/fpu: Clean up cpu feature tests [20/31] x86/fpu: Make os_xrstor_booting() private [21/31] x86/fpu: Move os_xsave() and os_xrstor() to core [22/31] x86/fpu: Move legacy ASM wrappers to core [23/31] x86/fpu: Make WARN_ON_FPU() private [24/31] x86/fpu: Move fpregs_restore_userregs() to core [25/31] x86/fpu: Move mxcsr related code to core [26/31] x86/fpu: Move fpstate functions to api.h [27/31] x86/fpu: Remove internal.h dependency from fpu/signal.h [28/31] x86/sev: Include fpu/xcr.h [29/31] x86/fpu: Mop up the internal.h leftovers [30/31] x86/fpu: Replace the includes of fpu/internal.h [31/31] x86/fpu: Provide a proper function for ex_handler_fprestore()

Message ID

20211011223612.026348843@linutronix.de (mailing list archive)

State

New, archived

Headers

Message-ID: <20211011223612.026348843@linutronix.de>
From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: x86@kernel.org, "Chang S. Bae" <chang.seok.bae@intel.com>,
        Dave Hansen <dave.hansen@linux.intel.com>,
        Arjan van de Ven <arjan@linux.intel.com>,
        kvm@vger.kernel.org, Paolo Bonzini <pbonzini@redhat.com>
Subject: [patch 29/31] x86/fpu: Mop up the internal.h leftovers
References: <20211011215813.558681373@linutronix.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Date: Tue, 12 Oct 2021 02:00:42 +0200 (CEST)
Precedence: bulk

Series

x86/fpu: Preparatory cleanups for AMX support (part 1) | expand

Commit Message

Thomas Gleixner Oct. 12, 2021, midnight UTC

Move the global interfaces to api.h and the rest into the core.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/x86/include/asm/fpu/api.h      |   10 ++++++++++
 arch/x86/include/asm/fpu/internal.h |   18 ------------------
 arch/x86/kernel/fpu/init.c          |    1 +
 arch/x86/kernel/fpu/xstate.h        |    3 +++
 4 files changed, 14 insertions(+), 18 deletions(-)

--- a/arch/x86/include/asm/fpu/api.h
+++ b/arch/x86/include/asm/fpu/api.h
@@ -110,6 +110,16 @@  extern int cpu_has_xfeatures(u64 xfeatur
 
 static inline void update_pasid(void) { }
 
+/* Trap handling */
+extern int  fpu__exception_code(struct fpu *fpu, int trap_nr);
+extern void fpu_sync_fpstate(struct fpu *fpu);
+
+/* Boot, hotplug and resume */
+extern void fpu__init_cpu(void);
+extern void fpu__init_system(struct cpuinfo_x86 *c);
+extern void fpu__init_check_bugs(void);
+extern void fpu__resume_cpu(void);
+
 #ifdef CONFIG_MATH_EMULATION
 extern void fpstate_init_soft(struct swregs_state *soft);
 #else
--- a/arch/x86/include/asm/fpu/internal.h
+++ b/arch/x86/include/asm/fpu/internal.h
@@ -23,22 +23,4 @@ 
 #include <asm/cpufeature.h>
 #include <asm/trace/fpu.h>
 
-/*
- * High level FPU state handling functions:
- */
-extern void fpu__clear_user_states(struct fpu *fpu);
-extern int  fpu__exception_code(struct fpu *fpu, int trap_nr);
-
-extern void fpu_sync_fpstate(struct fpu *fpu);
-
-/*
- * Boot time FPU initialization functions:
- */
-extern void fpu__init_cpu(void);
-extern void fpu__init_system_xstate(void);
-extern void fpu__init_cpu_xstate(void);
-extern void fpu__init_system(struct cpuinfo_x86 *c);
-extern void fpu__init_check_bugs(void);
-extern void fpu__resume_cpu(void);
-
 #endif /* _ASM_X86_FPU_INTERNAL_H */
--- a/arch/x86/kernel/fpu/init.c
+++ b/arch/x86/kernel/fpu/init.c
@@ -12,6 +12,7 @@ 
 
 #include "internal.h"
 #include "legacy.h"
+#include "xstate.h"
 
 /*
  * Initialize the registers found in all CPUs, CR0 and CR4:
--- a/arch/x86/kernel/fpu/xstate.h
+++ b/arch/x86/kernel/fpu/xstate.h
@@ -18,6 +18,9 @@  static inline void xstate_init_xcomp_bv(
 extern void __copy_xstate_to_uabi_buf(struct membuf to, struct xregs_state *xsave,
 				      u32 pkru_val, enum xstate_copy_mode copy_mode);
 
+extern void fpu__init_cpu_xstate(void);
+extern void fpu__init_system_xstate(void);
+
 /* XSAVE/XRSTOR wrapper functions */
 
 #ifdef CONFIG_X86_64

[29/31] x86/fpu: Mop up the internal.h leftovers

Commit Message

Patch