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x86/idtentry: Remove stale comment

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Stack switching for interrupt handlers happens in C now for both 64 and
32bit. Remove the stale comment which claims the contrary.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2020-07-14 16:01:52 +02:00
parent bc916e67c0
commit 790ce3b400
1 changed files with 2 additions and 4 deletions
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6
arch/x86/include/asm/idtentry.h
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@ -191,11 +191,9 @@ __visible noinstr void func(struct pt_regs *regs, unsigned long error_code)
* to the function as error_code argument which needs to be truncated
* to an u8 because the push is sign extending.
*
* On 64-bit idtentry_enter/exit() are invoked in the ASM entry code before
* and after switching to the interrupt stack. On 32-bit this happens in C.
*
* irq_enter/exit_rcu() are invoked before the function body and the
* KVM L1D flush request is set.
* KVM L1D flush request is set. Stack switching to the interrupt stack
* has to be done in the function body if necessary.
*/
#define DEFINE_IDTENTRY_IRQ(func) \
static __always_inline void __##func(struct pt_regs *regs, u8 vector); \