From: Juergen Gross <jgross@suse.com>
To: linux-kernel@vger.kernel.org, x86@kernel.org,
linux-coco@lists.linux.dev, kvm@vger.kernel.org
Cc: Juergen Gross <jgross@suse.com>,
Thomas Gleixner <tglx@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Kiryl Shutsemau <kas@kernel.org>,
Rick Edgecombe <rick.p.edgecombe@intel.com>
Subject: [PATCH v3 02/16] coco/tdx: Rename MSR access helpers
Date: Wed, 18 Feb 2026 09:21:19 +0100 [thread overview]
Message-ID: <20260218082133.400602-3-jgross@suse.com> (raw)
In-Reply-To: <20260218082133.400602-1-jgross@suse.com>
In order to avoid a name clash with some general MSR access helpers
after a future MSR infrastructure rework, rename the TDX specific
helpers.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Kiryl Shutsemau <kas@kernel.org>
Reviewed-by: H. Peter Anvin (Intel) <hpa@zytor.com>
---
arch/x86/coco/tdx/tdx.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/x86/coco/tdx/tdx.c b/arch/x86/coco/tdx/tdx.c
index 7b2833705d47..500166c1a161 100644
--- a/arch/x86/coco/tdx/tdx.c
+++ b/arch/x86/coco/tdx/tdx.c
@@ -468,7 +468,7 @@ static void __cpuidle tdx_safe_halt(void)
raw_local_irq_enable();
}
-static int read_msr(struct pt_regs *regs, struct ve_info *ve)
+static int tdx_read_msr(struct pt_regs *regs, struct ve_info *ve)
{
struct tdx_module_args args = {
.r10 = TDX_HYPERCALL_STANDARD,
@@ -489,7 +489,7 @@ static int read_msr(struct pt_regs *regs, struct ve_info *ve)
return ve_instr_len(ve);
}
-static int write_msr(struct pt_regs *regs, struct ve_info *ve)
+static int tdx_write_msr(struct pt_regs *regs, struct ve_info *ve)
{
struct tdx_module_args args = {
.r10 = TDX_HYPERCALL_STANDARD,
@@ -842,9 +842,9 @@ static int virt_exception_kernel(struct pt_regs *regs, struct ve_info *ve)
case EXIT_REASON_HLT:
return handle_halt(ve);
case EXIT_REASON_MSR_READ:
- return read_msr(regs, ve);
+ return tdx_read_msr(regs, ve);
case EXIT_REASON_MSR_WRITE:
- return write_msr(regs, ve);
+ return tdx_write_msr(regs, ve);
case EXIT_REASON_CPUID:
return handle_cpuid(regs, ve);
case EXIT_REASON_EPT_VIOLATION:
--
2.53.0
next prev parent reply other threads:[~2026-02-18 8:21 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-18 8:21 [PATCH v3 00/16] x86/msr: Inline rdmsr/wrmsr instructions Juergen Gross
2026-02-18 8:21 ` Juergen Gross [this message]
2026-02-18 14:11 ` [PATCH v3 02/16] coco/tdx: Rename MSR access helpers Edgecombe, Rick P
2026-02-18 8:21 ` [PATCH v3 04/16] KVM: x86: Remove the KVM private read_msr() function Juergen Gross
2026-02-18 14:21 ` Edgecombe, Rick P
2026-02-18 14:29 ` Sean Christopherson
2026-02-18 20:37 ` [PATCH v3 00/16] x86/msr: Inline rdmsr/wrmsr instructions H. Peter Anvin
2026-02-19 6:28 ` Jürgen Groß
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