The following commit has been merged into the x86/cache branch of tip: Commit-ID: e89f85b9171665c917dca59920884f3d4fe0b1ef Gitweb: https://git.kernel.org/tip/e89f85b9171665c917dca59920884f3d4fe0b1ef Author: James Morse <james.mo...@arm.com> AuthorDate: Wed, 08 Jul 2020 16:39:21 Committer: Borislav Petkov <b...@suse.de> CommitterDate: Tue, 18 Aug 2020 17:01:23 +02:00
x86/resctrl: Remove struct rdt_membw::max_delay max_delay is used by x86's __get_mem_config_intel() as a local variable. Remove it, replacing it with a local variable. Signed-off-by: James Morse <james.mo...@arm.com> Signed-off-by: Borislav Petkov <b...@suse.de> Reviewed-by: Reinette Chatre <reinette.cha...@intel.com> Link: https://lkml.kernel.org/r/20200708163929.2783-3-james.mo...@arm.com --- arch/x86/kernel/cpu/resctrl/core.c | 8 ++++---- arch/x86/kernel/cpu/resctrl/internal.h | 3 --- 2 files changed, 4 insertions(+), 7 deletions(-) diff --git a/arch/x86/kernel/cpu/resctrl/core.c b/arch/x86/kernel/cpu/resctrl/core.c index 6a9df71..9225ee5 100644 --- a/arch/x86/kernel/cpu/resctrl/core.c +++ b/arch/x86/kernel/cpu/resctrl/core.c @@ -254,16 +254,16 @@ static bool __get_mem_config_intel(struct rdt_resource *r) { union cpuid_0x10_3_eax eax; union cpuid_0x10_x_edx edx; - u32 ebx, ecx; + u32 ebx, ecx, max_delay; cpuid_count(0x00000010, 3, &eax.full, &ebx, &ecx, &edx.full); r->num_closid = edx.split.cos_max + 1; - r->membw.max_delay = eax.split.max_delay + 1; + max_delay = eax.split.max_delay + 1; r->default_ctrl = MAX_MBA_BW; if (ecx & MBA_IS_LINEAR) { r->membw.delay_linear = true; - r->membw.min_bw = MAX_MBA_BW - r->membw.max_delay; - r->membw.bw_gran = MAX_MBA_BW - r->membw.max_delay; + r->membw.min_bw = MAX_MBA_BW - max_delay; + r->membw.bw_gran = MAX_MBA_BW - max_delay; } else { if (!rdt_get_mb_table(r)) return false; diff --git a/arch/x86/kernel/cpu/resctrl/internal.h b/arch/x86/kernel/cpu/resctrl/internal.h index 72bb210..1eb39bd 100644 --- a/arch/x86/kernel/cpu/resctrl/internal.h +++ b/arch/x86/kernel/cpu/resctrl/internal.h @@ -369,8 +369,6 @@ struct rdt_cache { /** * struct rdt_membw - Memory bandwidth allocation related data - * @max_delay: Max throttle delay. Delay is the hardware - * representation for memory bandwidth. * @min_bw: Minimum memory bandwidth percentage user can request * @bw_gran: Granularity at which the memory bandwidth is allocated * @delay_linear: True if memory B/W delay is in linear scale @@ -378,7 +376,6 @@ struct rdt_cache { * @mb_map: Mapping of memory B/W percentage to memory B/W delay */ struct rdt_membw { - u32 max_delay; u32 min_bw; u32 bw_gran; u32 delay_linear;
