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Date:   Thu, 20 Oct 2022 14:13:44 -0000
From:   "tip-bot2 for Juergen Gross" <tip-bot2@linutronix.de>
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To:     linux-tip-commits@vger.kernel.org
Subject: [tip: x86/cpu] x86/mtrr: Remove unused cyrix_set_all() function
Cc:     Juergen Gross <jgross@suse.com>, Borislav Petkov <bp@suse.de>,
        x86@kernel.org, linux-kernel@vger.kernel.org
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The following commit has been merged into the x86/cpu branch of tip:

Commit-ID:     04ba8747e1329fa9e274b4634d792f811a3b0677
Gitweb:        https://git.kernel.org/tip/04ba8747e1329fa9e274b4634d792f811a3b0677
Author:        Juergen Gross <jgross@suse.com>
AuthorDate:    Tue, 04 Oct 2022 10:10:09 +02:00
Committer:     Borislav Petkov <bp@suse.de>
CommitterDate: Thu, 20 Oct 2022 15:58:11 +02:00

x86/mtrr: Remove unused cyrix_set_all() function

The Cyrix CPU specific MTRR function cyrix_set_all() will never be
called as the mtrr_ops->set_all() callback will only be called in the
use_intel() case, which would require the use_intel_if member of struct
mtrr_ops to be set, which isn't the case for Cyrix.

Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20221004081023.32402-3-jgross@suse.com
---
 arch/x86/kernel/cpu/mtrr/cyrix.c | 34 +-------------------------------
 1 file changed, 34 deletions(-)

diff --git a/arch/x86/kernel/cpu/mtrr/cyrix.c b/arch/x86/kernel/cpu/mtrr/cyrix.c
index ca67091..c77d3b0 100644
--- a/arch/x86/kernel/cpu/mtrr/cyrix.c
+++ b/arch/x86/kernel/cpu/mtrr/cyrix.c
@@ -234,42 +234,8 @@ static void cyrix_set_arr(unsigned int reg, unsigned long base,
 	post_set();
 }
 
-typedef struct {
-	unsigned long	base;
-	unsigned long	size;
-	mtrr_type	type;
-} arr_state_t;
-
-static arr_state_t arr_state[8] = {
-	{0UL, 0UL, 0UL}, {0UL, 0UL, 0UL}, {0UL, 0UL, 0UL}, {0UL, 0UL, 0UL},
-	{0UL, 0UL, 0UL}, {0UL, 0UL, 0UL}, {0UL, 0UL, 0UL}, {0UL, 0UL, 0UL}
-};
-
-static unsigned char ccr_state[7] = { 0, 0, 0, 0, 0, 0, 0 };
-
-static void cyrix_set_all(void)
-{
-	int i;
-
-	prepare_set();
-
-	/* the CCRs are not contiguous */
-	for (i = 0; i < 4; i++)
-		setCx86(CX86_CCR0 + i, ccr_state[i]);
-	for (; i < 7; i++)
-		setCx86(CX86_CCR4 + i, ccr_state[i]);
-
-	for (i = 0; i < 8; i++) {
-		cyrix_set_arr(i, arr_state[i].base,
-			      arr_state[i].size, arr_state[i].type);
-	}
-
-	post_set();
-}
-
 static const struct mtrr_ops cyrix_mtrr_ops = {
 	.vendor            = X86_VENDOR_CYRIX,
-	.set_all	   = cyrix_set_all,
 	.set               = cyrix_set_arr,
 	.get               = cyrix_get_arr,
 	.get_free_region   = cyrix_get_free_region,