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From: Juergen Gross <jgross@suse.com>
To: linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org,
	x86@kernel.org, virtualization@lists.linux-foundation.org
Cc: akataria@vmware.com, rusty@rustcorp.com.au,
	boris.ostrovsky@oracle.com, hpa@zytor.com, tglx@linutronix.de,
	mingo@redhat.com, Juergen Gross <jgross@suse.com>
Subject: [PATCH v3 15/15] x86/paravirt: remove unneeded mmu related paravirt ops bits
Date: Tue, 28 Aug 2018 09:40:26 +0200	[thread overview]
Message-ID: <20180828074026.820-16-jgross@suse.com> (raw)
In-Reply-To: <20180828074026.820-1-jgross@suse.com>

There is no need to have 32-bit code for CONFIG_PGTABLE_LEVELS >= 4.
Remove it.

Signed-off-by: Juergen Gross <jgross@suse.com>
---
 arch/x86/include/asm/paravirt.h | 20 +++-----------------
 1 file changed, 3 insertions(+), 17 deletions(-)

diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 63ab58dc5b73..969343c72a9b 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -506,25 +506,14 @@ static inline pud_t __pud(pudval_t val)
 {
 	pudval_t ret;
 
-	if (sizeof(pudval_t) > sizeof(long))
-		ret = PVOP_CALLEE2(pudval_t, mmu.make_pud, val, (u64)val >> 32);
-	else
-		ret = PVOP_CALLEE1(pudval_t, mmu.make_pud, val);
+	ret = PVOP_CALLEE1(pudval_t, mmu.make_pud, val);
 
 	return (pud_t) { ret };
 }
 
 static inline pudval_t pud_val(pud_t pud)
 {
-	pudval_t ret;
-
-	if (sizeof(pudval_t) > sizeof(long))
-		ret =  PVOP_CALLEE2(pudval_t, mmu.pud_val,
-				    pud.pud, (u64)pud.pud >> 32);
-	else
-		ret =  PVOP_CALLEE1(pudval_t, mmu.pud_val, pud.pud);
-
-	return ret;
+	return PVOP_CALLEE1(pudval_t, mmu.pud_val, pud.pud);
 }
 
 static inline void pud_clear(pud_t *pudp)
@@ -536,10 +525,7 @@ static inline void set_p4d(p4d_t *p4dp, p4d_t p4d)
 {
 	p4dval_t val = native_p4d_val(p4d);
 
-	if (sizeof(p4dval_t) > sizeof(long))
-		PVOP_VCALL3(mmu.set_p4d, p4dp, val, (u64)val >> 32);
-	else
-		PVOP_VCALL2(mmu.set_p4d, p4dp, val);
+	PVOP_VCALL2(mmu.set_p4d, p4dp, val);
 }
 
 #if CONFIG_PGTABLE_LEVELS >= 5
-- 
2.16.4


  parent reply	other threads:[~2018-08-28  7:41 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-28  7:40 [PATCH v3 00/15] x86/paravirt, xen: several cleanups Juergen Gross
2018-08-28  7:40 ` [PATCH v3 01/15] xen: move pv irq related functions under CONFIG_XEN_PV umbrella Juergen Gross
2018-09-03 14:54   ` [tip:x86/paravirt] x86/xen: Move " tip-bot for Juergen Gross
2018-08-28  7:40 ` [PATCH v3 02/15] xen: move pv specific parts of arch/x86/xen/mmu.c to mmu_pv.c Juergen Gross
2018-09-03 14:55   ` [tip:x86/paravirt] x86/xen: Move " tip-bot for Juergen Gross
2018-08-28  7:40 ` [PATCH v3 03/15] xen: link platform-pci-unplug.o only if CONFIG_XEN_PVHVM Juergen Gross
2018-09-03 14:56   ` [tip:x86/paravirt] x86/xen: Link " tip-bot for Juergen Gross
2018-08-28  7:40 ` [PATCH v3 04/15] xen: add SPDX identifier in arch/x86/xen files Juergen Gross
2018-09-03 14:56   ` [tip:x86/paravirt] x86/xen: Add " tip-bot for Juergen Gross
2018-08-28  7:40 ` [PATCH v3 05/15] x86/paravirt: make paravirt_patch_call() and paravirt_patch_jmp() static Juergen Gross
2018-09-03 14:57   ` [tip:x86/paravirt] x86/paravirt: Make " tip-bot for Juergen Gross
2018-08-28  7:40 ` [PATCH v3 06/15] x86/paravirt: remove clobbers parameter from paravirt patch functions Juergen Gross
2018-09-03 14:57   ` [tip:x86/paravirt] x86/paravirt: Remove " tip-bot for Juergen Gross
2018-08-28  7:40 ` [PATCH v3 07/15] x86/paravirt: remove clobbers from struct paravirt_patch_site Juergen Gross
2018-09-03 14:58   ` [tip:x86/paravirt] x86/paravirt: Remove " tip-bot for Juergen Gross
2018-08-28  7:40 ` [PATCH v3 08/15] x86/paravirt: use a single ops structure Juergen Gross
2018-09-03 14:58   ` [tip:x86/paravirt] x86/paravirt: Use " tip-bot for Juergen Gross
2018-08-28  7:40 ` [PATCH v3 09/15] x86/paravirt: remove unused paravirt bits Juergen Gross
2018-09-03 14:59   ` [tip:x86/paravirt] x86/paravirt: Remove " tip-bot for Juergen Gross
2018-08-28  7:40 ` [PATCH v3 10/15] x86/paravirt: introduce new config option PARAVIRT_XXL Juergen Gross
2018-09-03 14:59   ` [tip:x86/paravirt] x86/paravirt: Introduce " tip-bot for Juergen Gross
2018-08-28  7:40 ` [PATCH v3 11/15] x86/paravirt: move items in pv_info under PARAVIRT_XXL umbrella Juergen Gross
2018-09-03 15:00   ` [tip:x86/paravirt] x86/paravirt: Move " tip-bot for Juergen Gross
2018-08-28  7:40 ` [PATCH v3 12/15] x86/paravirt: move the Xen-only pv_cpu_ops under the " Juergen Gross
2018-09-03 15:01   ` [tip:x86/paravirt] x86/paravirt: Move " tip-bot for Juergen Gross
2018-08-28  7:40 ` [PATCH v3 13/15] x86/paravirt: move the pv_irq_ops " Juergen Gross
2018-09-03 15:01   ` [tip:x86/paravirt] x86/paravirt: Move " tip-bot for Juergen Gross
2018-09-07 14:49     ` Borislav Petkov
2018-09-07 14:52       ` Juergen Gross
2018-09-07 14:54         ` Borislav Petkov
2018-08-28  7:40 ` [PATCH v3 14/15] x86/paravirt: move the Xen-only pv_mmu_ops " Juergen Gross
2018-09-03 15:02   ` [tip:x86/paravirt] x86/paravirt: Move " tip-bot for Juergen Gross
2018-08-28  7:40 ` Juergen Gross [this message]
2018-09-03 15:02   ` [tip:x86/paravirt] x86/paravirt: Remove unneeded mmu related paravirt ops bits tip-bot for Juergen Gross

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