linux-kernel - [tip: x86/entry] x86/entry: __always

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <159120663193.17951.12809803627029707086.tip-bot2@tip-bot2>
Date:   Wed, 03 Jun 2020 17:50:31 -0000
From:   "tip-bot2 for Peter Zijlstra" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>, x86 <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [tip: x86/entry] x86/entry: __always_inline debugreg for noinstr

The following commit has been merged into the x86/entry branch of tip:

Commit-ID:     c227bf005a079ad7af47f8df3cbb7c39cdbabc37
Gitweb:        https://git.kernel.org/tip/c227bf005a079ad7af47f8df3cbb7c39cdbabc37
Author:        Peter Zijlstra <peterz@...radead.org>
AuthorDate:    Wed, 03 Jun 2020 13:40:17 +02:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Wed, 03 Jun 2020 16:35:36 +02:00

x86/entry: __always_inline debugreg for noinstr

vmlinux.o: warning: objtool: exc_debug()+0x21: call to native_get_debugreg() leaves .noinstr.text section

Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lkml.kernel.org/r/20200603114051.954401211@infradead.org

---
 arch/x86/include/asm/debugreg.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/include/asm/debugreg.h b/arch/x86/include/asm/debugreg.h
index 42fc35d..e89558a 100644
--- a/arch/x86/include/asm/debugreg.h
+++ b/arch/x86/include/asm/debugreg.h
@@ -18,7 +18,7 @@ DECLARE_PER_CPU(unsigned long, cpu_dr7);
 	native_set_debugreg(register, value)
 #endif
 
-static inline unsigned long native_get_debugreg(int regno)
+static __always_inline unsigned long native_get_debugreg(int regno)
 {
 	unsigned long val = 0;	/* Damn you, gcc! */
 
@@ -47,7 +47,7 @@ static inline unsigned long native_get_debugreg(int regno)
 	return val;
 }
 
-static inline void native_set_debugreg(int regno, unsigned long value)
+static __always_inline void native_set_debugreg(int regno, unsigned long value)
 {
 	switch (regno) {
 	case 0:
@@ -85,7 +85,7 @@ static inline void hw_breakpoint_disable(void)
 	set_debugreg(0UL, 3);
 }
 
-static inline bool hw_breakpoint_active(void)
+static __always_inline bool hw_breakpoint_active(void)
 {
 	return __this_cpu_read(cpu_dr7) & DR_GLOBAL_ENABLE_MASK;
 }