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From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Paul Mackerras <paulus@samba.org>,
	Michael Ellerman <mpe@ellerman.id.au>
Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: [PATCH v4 11/45] powerpc/ptdump: Standardise display of BAT flags
Date: Tue, 19 May 2020 05:48:53 +0000 (UTC)	[thread overview]
Message-ID: <a07585f353c167b8db9597d83f992a5cb4fbf4c4.1589866984.git.christophe.leroy@csgroup.eu> (raw)
In-Reply-To: <cover.1589866984.git.christophe.leroy@csgroup.eu>

Display BAT flags the same way as page flags: rwx and wimg

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
 arch/powerpc/mm/ptdump/bats.c | 37 ++++++++++++++---------------------
 1 file changed, 15 insertions(+), 22 deletions(-)

diff --git a/arch/powerpc/mm/ptdump/bats.c b/arch/powerpc/mm/ptdump/bats.c
index d6c660f63d71..cebb58c7e289 100644
--- a/arch/powerpc/mm/ptdump/bats.c
+++ b/arch/powerpc/mm/ptdump/bats.c
@@ -15,12 +15,12 @@
 static char *pp_601(int k, int pp)
 {
 	if (pp == 0)
-		return k ? "NA" : "RWX";
+		return k ? "   " : "rwx";
 	if (pp == 1)
-		return k ? "ROX" : "RWX";
+		return k ? "r x" : "rwx";
 	if (pp == 2)
-		return k ? "RWX" : "RWX";
-	return k ? "ROX" : "ROX";
+		return "rwx";
+	return "r x";
 }
 
 static void bat_show_601(struct seq_file *m, int idx, u32 lower, u32 upper)
@@ -48,12 +48,9 @@ static void bat_show_601(struct seq_file *m, int idx, u32 lower, u32 upper)
 
 	seq_printf(m, "Kernel %s User %s", pp_601(k & 2, pp), pp_601(k & 1, pp));
 
-	if (lower & _PAGE_WRITETHRU)
-		seq_puts(m, "write through ");
-	if (lower & _PAGE_NO_CACHE)
-		seq_puts(m, "no cache ");
-	if (lower & _PAGE_COHERENT)
-		seq_puts(m, "coherent ");
+	seq_puts(m, lower & _PAGE_WRITETHRU ? "w " : "  ");
+	seq_puts(m, lower & _PAGE_NO_CACHE ? "i " : "  ");
+	seq_puts(m, lower & _PAGE_COHERENT ? "m " : "  ");
 	seq_puts(m, "\n");
 }
 
@@ -101,20 +98,16 @@ static void bat_show_603(struct seq_file *m, int idx, u32 lower, u32 upper, bool
 		seq_puts(m, "Kernel/User ");
 
 	if (lower & BPP_RX)
-		seq_puts(m, is_d ? "RO " : "EXEC ");
+		seq_puts(m, is_d ? "r   " : "  x ");
 	else if (lower & BPP_RW)
-		seq_puts(m, is_d ? "RW " : "EXEC ");
+		seq_puts(m, is_d ? "rw  " : "  x ");
 	else
-		seq_puts(m, is_d ? "NA " : "NX   ");
-
-	if (lower & _PAGE_WRITETHRU)
-		seq_puts(m, "write through ");
-	if (lower & _PAGE_NO_CACHE)
-		seq_puts(m, "no cache ");
-	if (lower & _PAGE_COHERENT)
-		seq_puts(m, "coherent ");
-	if (lower & _PAGE_GUARDED)
-		seq_puts(m, "guarded ");
+		seq_puts(m, is_d ? "    " : "    ");
+
+	seq_puts(m, lower & _PAGE_WRITETHRU ? "w " : "  ");
+	seq_puts(m, lower & _PAGE_NO_CACHE ? "i " : "  ");
+	seq_puts(m, lower & _PAGE_COHERENT ? "m " : "  ");
+	seq_puts(m, lower & _PAGE_GUARDED ? "g " : "  ");
 	seq_puts(m, "\n");
 }
 
-- 
2.25.0


  parent reply	other threads:[~2020-05-19  6:15 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-19  5:48 [PATCH v4 00/45] Use hugepages to map kernel mem on 8xx Christophe Leroy
2020-05-19  5:48 ` [PATCH v4 01/45] powerpc/kasan: Fix error detection on memory allocation Christophe Leroy
2020-05-19  5:48 ` [PATCH v4 02/45] powerpc/kasan: Fix issues by lowering KASAN_SHADOW_END Christophe Leroy
2020-05-19  5:48 ` [PATCH v4 03/45] powerpc/kasan: Fix shadow pages allocation failure Christophe Leroy
2020-05-19  5:48 ` [PATCH v4 04/45] powerpc/kasan: Remove unnecessary page table locking Christophe Leroy
2020-05-19  5:48 ` [PATCH v4 05/45] powerpc/kasan: Refactor update of early shadow mappings Christophe Leroy
2020-05-19  5:48 ` [PATCH v4 06/45] powerpc/kasan: Declare kasan_init_region() weak Christophe Leroy
2020-05-19  5:48 ` [PATCH v4 07/45] powerpc/ptdump: Limit size of flags text to 1/2 chars on PPC32 Christophe Leroy
2020-05-25  5:15   ` Michael Ellerman
2020-05-25 11:06     ` Christophe Leroy
2020-05-26 12:53       ` Michael Ellerman
2020-05-19  5:48 ` [PATCH v4 08/45] powerpc/ptdump: Reorder flags Christophe Leroy
2020-05-19  5:48 ` [PATCH v4 09/45] powerpc/ptdump: Add _PAGE_COHERENT flag Christophe Leroy
2020-05-19  5:48 ` [PATCH v4 10/45] powerpc/ptdump: Display size of BATs Christophe Leroy
2020-05-19  5:48 ` Christophe Leroy [this message]
2020-05-19  5:48 ` [PATCH v4 12/45] powerpc/ptdump: Properly handle non standard page size Christophe Leroy
2020-05-19  5:48 ` [PATCH v4 13/45] powerpc/ptdump: Handle hugepd at PGD level Christophe Leroy
2020-05-19  5:48 ` [PATCH v4 14/45] powerpc/32s: Don't warn when mapping RO data ROX Christophe Leroy
2020-05-25  5:40   ` Michael Ellerman
2020-05-19  5:48 ` [PATCH v4 15/45] powerpc/mm: Allocate static page tables for fixmap Christophe Leroy
2020-05-19  5:48 ` [PATCH v4 16/45] powerpc/mm: Fix conditions to perform MMU specific management by blocks on PPC32 Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 17/45] powerpc/mm: PTE_ATOMIC_UPDATES is only for 40x Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 18/45] powerpc/mm: Refactor pte_update() on nohash/32 Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 19/45] powerpc/mm: Refactor pte_update() on book3s/32 Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 20/45] powerpc/mm: Standardise __ptep_test_and_clear_young() params between PPC32 and PPC64 Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 21/45] powerpc/mm: Standardise pte_update() prototype " Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 22/45] powerpc/mm: Create a dedicated pte_update() for 8xx Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 23/45] powerpc/mm: Reduce hugepd size for 8M hugepages on 8xx Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 24/45] powerpc/8xx: Drop CONFIG_8xx_COPYBACK option Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 25/45] powerpc/8xx: Prepare handlers for _PAGE_HUGE for 512k pages Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 26/45] powerpc/8xx: Manage 512k huge pages as standard pages Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 27/45] powerpc/8xx: Only 8M pages are hugepte pages now Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 28/45] powerpc/8xx: MM_SLICE is not needed anymore Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 29/45] powerpc/8xx: Move PPC_PIN_TLB options into 8xx Kconfig Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 30/45] powerpc/8xx: Add function to set pinned TLBs Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 31/45] powerpc/8xx: Don't set IMMR map anymore at boot Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 32/45] powerpc/8xx: Always pin TLBs at startup Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 33/45] powerpc/8xx: Drop special handling of Linear and IMMR mappings in I/D TLB handlers Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 34/45] powerpc/8xx: Remove now unused TLB miss functions Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 35/45] powerpc/8xx: Move DTLB perf handling closer Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 36/45] powerpc/mm: Don't be too strict with _etext alignment on PPC32 Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 37/45] powerpc/8xx: Refactor kernel address boundary comparison Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 38/45] powerpc/8xx: Add a function to early map kernel via huge pages Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 39/45] powerpc/8xx: Map IMMR with a huge page Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 40/45] powerpc/8xx: Map linear memory with huge pages Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 41/45] powerpc/8xx: Allow STRICT_KERNEL_RwX with pinned TLB Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 42/45] powerpc/8xx: Allow large TLBs with DEBUG_PAGEALLOC Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 43/45] powerpc/8xx: Implement dedicated kasan_init_region() Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 44/45] powerpc/32s: Allow mapping with BATs with DEBUG_PAGEALLOC Christophe Leroy
2020-05-19  5:49 ` [PATCH v4 45/45] powerpc/32s: Implement dedicated kasan_init_region() Christophe Leroy
2020-06-09  5:28 ` [PATCH v4 00/45] Use hugepages to map kernel mem on 8xx Michael Ellerman

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