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From: "Nicholas Piggin" <npiggin@gmail.com>
To: "BALATON Zoltan" <balaton@eik.bme.hu>, <qemu-devel@nongnu.org>,
	<qemu-ppc@nongnu.org>
Cc: "Daniel Henrique Barboza" <danielhb413@gmail.com>
Subject: Re: [PATCH v3 32/33] target/ppc/mmu-radix64.c: Drop a local variable
Date: Wed, 08 May 2024 23:22:59 +1000	[thread overview]
Message-ID: <D14AN86BCH08.3M86UVKLH3BVT@gmail.com> (raw)
In-Reply-To: <043208173865575e0148ad19b8a3b4e1a96f0c4c.1715125376.git.balaton@eik.bme.hu>

On Wed May 8, 2024 at 10:15 AM AEST, BALATON Zoltan wrote:
> The value is only used once so no need to introduce a local variable
> for it.

Reviewed-by: Nicholas Piggin <npiggin@gmail.com>

>
> Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
> ---
>  target/ppc/mmu-radix64.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/target/ppc/mmu-radix64.c b/target/ppc/mmu-radix64.c
> index 8daf71d2db..395ce3b782 100644
> --- a/target/ppc/mmu-radix64.c
> +++ b/target/ppc/mmu-radix64.c
> @@ -185,7 +185,6 @@ static bool ppc_radix64_check_prot(PowerPCCPU *cpu, MMUAccessType access_type,
>                                     int mmu_idx, bool partition_scoped)
>  {
>      CPUPPCState *env = &cpu->env;
> -    int need_prot;
>  
>      /* Check Page Attributes (pte58:59) */
>      if ((pte & R_PTE_ATT) == R_PTE_ATT_NI_IO && access_type == MMU_INST_FETCH) {
> @@ -210,8 +209,8 @@ static bool ppc_radix64_check_prot(PowerPCCPU *cpu, MMUAccessType access_type,
>      }
>  
>      /* Check if requested access type is allowed */
> -    need_prot = prot_for_access_type(access_type);
> -    if (need_prot & ~*prot) { /* Page Protected for that Access */
> +    if (prot_for_access_type(access_type) & ~*prot) {
> +        /* Page Protected for that Access */
>          *fault_cause |= access_type == MMU_INST_FETCH ? SRR1_NOEXEC_GUARD :
>                                                          DSISR_PROTFAULT;
>          return true;



  reply	other threads:[~2024-05-08 13:23 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-08  0:14 [PATCH v3 00/33] Misc PPC exception and BookE MMU clean ups BALATON Zoltan
2024-05-08  0:14 ` [PATCH v3 01/33] target/ppc: Fix gen_sc to use correct nip BALATON Zoltan
2024-05-08 13:36   ` Nicholas Piggin
2024-05-08 15:17     ` BALATON Zoltan
2024-05-09  5:48       ` Nicholas Piggin
2024-05-08  0:14 ` [PATCH v3 02/33] target/ppc: Move patching nip from exception handler to helper_scv BALATON Zoltan
2024-05-08  0:14 ` [PATCH v3 03/33] target/ppc: Simplify syscall exception handlers BALATON Zoltan
2024-05-08  0:14 ` [PATCH v3 04/33] target/ppc: Remove unused helper BALATON Zoltan
2024-05-08  0:14 ` [PATCH v3 05/33] target/ppc/mmu_common.c: Move calculation of a value closer to its usage BALATON Zoltan
2024-05-08  0:14 ` [PATCH v3 06/33] target/ppc/mmu_common.c: Remove unneeded local variable BALATON Zoltan
2024-05-08  0:14 ` [PATCH v3 07/33] target/ppc/mmu_common.c: Simplify checking for real mode BALATON Zoltan
2024-05-08  0:15 ` [PATCH v3 08/33] target/ppc/mmu_common.c: Drop cases for unimplemented MPC8xx MMU BALATON Zoltan
2024-05-08  0:15 ` [PATCH v3 09/33] target/ppc/mmu_common.c: Introduce mmu6xx_get_physical_address() BALATON Zoltan
2024-05-08 12:40   ` Nicholas Piggin
2024-05-08  0:15 ` [PATCH v3 10/33] target/ppc/mmu_common.c: Move else branch to avoid large if block BALATON Zoltan
2024-05-08 12:43   ` Nicholas Piggin
2024-05-08  0:15 ` [PATCH v3 11/33] target/ppc/mmu_common.c: Move some debug logging BALATON Zoltan
2024-05-08 12:47   ` Nicholas Piggin
2024-05-08  0:15 ` [PATCH v3 12/33] target/ppc/mmu_common.c: Eliminate ret from mmu6xx_get_physical_address() BALATON Zoltan
2024-05-08 12:48   ` Nicholas Piggin
2024-05-08  0:15 ` [PATCH v3 13/33] target/ppc/mmu_common.c: Split out BookE cases before checking real mode BALATON Zoltan
2024-05-08  0:15 ` [PATCH v3 14/33] target/ppc/mmu_common.c: Split off real mode cases in get_physical_address_wtlb() BALATON Zoltan
2024-05-08  0:15 ` [PATCH v3 15/33] target/ppc/mmu_common.c: Inline and remove check_physical() BALATON Zoltan
2024-05-08  0:15 ` [PATCH v3 16/33] target/ppc/mmu_common.c: Simplify mmubooke_get_physical_address() BALATON Zoltan
2024-05-08  0:15 ` [PATCH v3 17/33] target/ppc/mmu_common.c: Simplify mmubooke206_get_physical_address() BALATON Zoltan
2024-05-08  0:15 ` [PATCH v3 18/33] target/ppc/mmu_common.c: Fix misindented qemu_log_mask() calls BALATON Zoltan
2024-05-08  0:15 ` [PATCH v3 19/33] target/ppc/mmu_common.c: Deindent ppc_jumbo_xlate() BALATON Zoltan
2024-05-08  0:15 ` [PATCH v3 20/33] target/ppc/mmu_common.c: Replace hard coded constants in ppc_jumbo_xlate() BALATON Zoltan
2024-05-08  0:15 ` [PATCH v3 21/33] target/ppc/mmu_common.c: Make get_physical_address_wtlb() static BALATON Zoltan
2024-05-08 12:58   ` Nicholas Piggin
2024-05-08  0:15 ` [PATCH v3 22/33] target/ppc: Remove pp_check() and reuse ppc_hash32_pp_prot() BALATON Zoltan
2024-05-08 12:59   ` Nicholas Piggin
2024-05-08  0:15 ` [PATCH v3 23/33] target/ppc/mmu_common.c: Remove BookE from direct store handling BALATON Zoltan
2024-05-08 12:59   ` Nicholas Piggin
2024-05-08  0:15 ` [PATCH v3 24/33] target/ppc/mmu_common.c: Split off BookE handling from ppc_jumbo_xlate() BALATON Zoltan
2024-05-08 13:01   ` Nicholas Piggin
2024-05-08  0:15 ` [PATCH v3 25/33] target/ppc/mmu_common.c: Remove BookE handling from get_physical_address_wtlb() BALATON Zoltan
2024-05-08 13:12   ` Nicholas Piggin
2024-05-08  0:15 ` [PATCH v3 26/33] target/ppc/mmu_common.c: Simplify ppc_booke_xlate() part 1 BALATON Zoltan
2024-05-08 13:17   ` Nicholas Piggin
2024-05-08 15:25     ` BALATON Zoltan
2024-05-09  5:53       ` Nicholas Piggin
2024-05-08  0:15 ` [PATCH v3 27/33] target/ppc/mmu_common.c: Simplify ppc_booke_xlate() part 2 BALATON Zoltan
2024-05-08 13:21   ` Nicholas Piggin
2024-05-08  0:15 ` [PATCH v3 28/33] target/ppc/mmu_common.c: Move BookE MMU functions together BALATON Zoltan
2024-05-08 13:21   ` Nicholas Piggin
2024-05-08  0:15 ` [PATCH v3 29/33] target/ppc: Remove id_tlbs flag from CPU env BALATON Zoltan
2024-05-08  0:15 ` [PATCH v3 30/33] target/ppc: Split off common embedded TLB init BALATON Zoltan
2024-05-08  0:15 ` [PATCH v3 31/33] target/ppc/mmu-hash32.c: Drop a local variable BALATON Zoltan
2024-05-08 13:22   ` Nicholas Piggin
2024-05-08  0:15 ` [PATCH v3 32/33] target/ppc/mmu-radix64.c: " BALATON Zoltan
2024-05-08 13:22   ` Nicholas Piggin [this message]
2024-05-08  0:15 ` [PATCH v3 33/33] target/ppc: Add a macro to check for page protection bit BALATON Zoltan
2024-05-08 13:29   ` Nicholas Piggin
2024-05-08 15:23     ` BALATON Zoltan
2024-05-09  5:52       ` Nicholas Piggin
2024-05-08 23:35     ` BALATON Zoltan
2024-05-09  5:58       ` Nicholas Piggin

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